All tools A–Z
The full Toolsvine catalogue: 2,000 tools across 42 categories. Tools are listed as they are planned; each one goes live only when it is fully working. Use the search (press /) to find a tool by name.
Tools in this list go live in batches from Phase 1. Names shown here are the planned tools for each category.
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.env to JSON
Convert .env into JSON.
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.gitignore Generator
Combine gitignore templates.
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.htaccess Generator
Redirects, HTTPS, caching rules.
2
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2FA QR Code Generator
Make otpauth:// QR codes.
3
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301 Redirect Code Generator
301 Redirect Code Generator — no API, works on pasted data.
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3D Surface Plotter
3D Surface Plotter with step-by-step working.
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3GP to AVI Converter
Convert 3GP video to AVI entirely in the browser.
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3GP to GIF Converter
Convert 3GP video to GIF entirely in the browser.
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3GP to MKV Converter
Convert 3GP video to MKV entirely in the browser.
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3GP to MOV Converter
Convert 3GP video to MOV entirely in the browser.
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3GP to MP4 Converter
Convert 3GP video to MP4 entirely in the browser.
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3GP to WebM Converter
Convert 3GP video to WebM entirely in the browser.
A
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A/B Test Sample Size Calculator
A/B Test Sample Size Calculator for campaign planning and reporting.
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A/B Test Significance Calculator
A/B Test Significance Calculator for campaign planning and reporting.
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A1Z26 Cipher
Letters to numbers 1-26.
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AAC to M4A Converter
Convert AAC audio files to M4A with bitrate options.
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AAC to MP3 Converter
Convert AAC audio files to MP3 with bitrate options.
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AAC to OGG Converter
Convert AAC audio files to OGG with bitrate options.
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AAC to WAV Converter
Convert AAC audio files to WAV with bitrate options.
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Abacus Simulator
Abacus Simulator — printable or interactive, no login.
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AC Tonnage (BTU) Calculator
AC Tonnage (BTU) Calculator with formula shown.
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Acceleration Calculator
Acceleration Calculator with formula shown.
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Accelerometer Test
Show motion sensor data.
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Accessible Color Suggester
Accessible Color Suggester — copy HEX, RGB, HSL and CSS variables.
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Acre to Bigha
Bangladeshi Land converter: Acre to Bigha with formula and conversion table.
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Acre to Hectare
Area converter: Acre to Hectare with formula and conversion table.
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Acre to Kani
Bangladeshi Land converter: Acre to Kani with formula and conversion table.
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Acre to Katha
Bangladeshi Land converter: Acre to Katha with formula and conversion table.
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Acre to Shotangsho (Decimal)
Bangladeshi Land converter: Acre to Shotangsho (Decimal) with formula and conversion table.
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Acre to Square Foot
Area converter: Acre to Square Foot with formula and conversion table.
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Acre to Square Meter
Bangladeshi Land converter: Acre to Square Meter with formula and conversion table.
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Ad Budget Calculator
Ad Budget Calculator for campaign planning and reporting.
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Ad Copy Character Counter (Google/Meta)
Ad Copy Character Counter (Google/Meta) for campaign planning and reporting.
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Add Audio to Video
Replace or add a music track.
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Add Border to Image
Add solid or rounded borders and padding.
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Add Header & Footer to PDF
Add custom header/footer text.
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Add Image to PDF
Insert a logo or picture on pages.
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Add Line Breaks
Insert breaks after N characters or punctuation.
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Add Page Numbers to PDF
Insert page numbers with position options.
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Add Prefix/Suffix to Lines
Add text to start/end of each line.
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Add Subtitles to Video (Burn-in)
Hard-code SRT subtitles.
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Add Text to Image
Write styled text on photos.
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Add Text to Video
Overlay titles and captions.
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Add Watermark to PDF
Stamp text or image watermark on pages.
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Add Watermark to Video
Overlay logo or text on video.
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Add/Subtract Days to Date
Add/Subtract Days to Date — runs entirely offline.
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Addition Worksheet Generator
Make printable addition worksheets with answer keys.
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AES Text Encrypt/Decrypt
AES-GCM encryption with a password.
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Age Calculator
Age Calculator — runs entirely offline.
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Agenda Maker
Agenda Maker — data stays on your device.
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AI Background Remover
AI Background Remover — model downloads once and runs on the user's device.
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AI Chatbot (WebLLM, Runs Locally)
AI Chatbot (WebLLM, Runs Locally) — model downloads once and runs on the user's device.
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AI Code Explainer (WebLLM)
AI Code Explainer (WebLLM) — model downloads once and runs on the user's device.
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AI Depth Map Generator
AI Depth Map Generator — model downloads once and runs on the user's device.
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AI Document Q&A (Local PDF)
AI Document Q&A (Local PDF) — model downloads once and runs on the user's device.
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AI Face Detector
AI Face Detector — model downloads once and runs on the user's device.
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AI Grammar Corrector (Small Model)
AI Grammar Corrector (Small Model) — model downloads once and runs on the user's device.
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AI Image Captioning
AI Image Captioning — model downloads once and runs on the user's device.
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AI Image Classifier
AI Image Classifier — model downloads once and runs on the user's device.
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AI Image Segmentation
AI Image Segmentation — model downloads once and runs on the user's device.
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AI Image Similarity Search (Local Folder)
AI Image Similarity Search (Local Folder) — model downloads once and runs on the user's device.
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AI Image Upscaler
AI Image Upscaler — model downloads once and runs on the user's device.
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AI Keyword Extractor
AI Keyword Extractor — model downloads once and runs on the user's device.
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AI Language Detector
AI Language Detector — model downloads once and runs on the user's device.
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AI Meta Description Writer (WebLLM)
AI Meta Description Writer (WebLLM) — model downloads once and runs on the user's device.
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AI Named Entity Extractor
AI Named Entity Extractor — model downloads once and runs on the user's device.
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AI Noise Suppression
AI Noise Suppression — model downloads once and runs on the user's device.
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AI Object Detection
AI Object Detection — model downloads once and runs on the user's device.
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AI OCR Handwriting (TrOCR)
AI OCR Handwriting (TrOCR) — model downloads once and runs on the user's device.
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AI Paraphraser (WebLLM)
AI Paraphraser (WebLLM) — model downloads once and runs on the user's device.
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AI Photo Colorizer (Old B/W Photos)
AI Photo Colorizer (Old B/W Photos) — model downloads once and runs on the user's device.
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AI Pose Estimation
AI Pose Estimation — model downloads once and runs on the user's device.
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AI Question Answering (on Your Text)
AI Question Answering (on Your Text) — model downloads once and runs on the user's device.
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AI Sentiment Analyzer
AI Sentiment Analyzer — model downloads once and runs on the user's device.
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AI Speech to Text (Whisper)
AI Speech to Text (Whisper) — model downloads once and runs on the user's device.
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AI Text Embeddings & Similarity
AI Text Embeddings & Similarity — model downloads once and runs on the user's device.
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AI Text Summarizer
AI Text Summarizer — model downloads once and runs on the user's device.
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AI Text to Speech (Kokoro/Piper)
AI Text to Speech (Kokoro/Piper) — model downloads once and runs on the user's device.
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AI Title Generator (WebLLM)
AI Title Generator (WebLLM) — model downloads once and runs on the user's device.
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AI Translator (Offline)
AI Translator (Offline) — model downloads once and runs on the user's device.
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AI Zero-shot Text Classifier
AI Zero-shot Text Classifier — model downloads once and runs on the user's device.
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Alarm Clock (Browser)
Alarm Clock (Browser) — runs entirely offline.
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Algebra Simplifier
Algebra Simplifier with step-by-step working.
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Alphabet Tracing Worksheet
Alphabet Tracing Worksheet — printable or interactive, no login.
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Alternate & Mix PDF
Interleave pages of two PDFs (front/back scans).
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aLtErNaTiNg CaSe Converter
Alternate letter casing.
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Amazon Product Image Resizer
Crop and resize any image to the exact Amazon Product Image size.
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AMR to AAC Converter
Convert AMR audio files to AAC with bitrate options.
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AMR to M4A Converter
Convert AMR audio files to M4A with bitrate options.
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AMR to MP3 Converter
Convert AMR audio files to MP3 with bitrate options.
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AMR to OGG Converter
Convert AMR audio files to OGG with bitrate options.
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AMR to WAV Converter
Convert AMR audio files to WAV with bitrate options.
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Ana to Gram
Gold Weight converter: Ana to Gram with formula and conversion table.
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Ana to Rati
Gold Weight converter: Ana to Rati with formula and conversion table.
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Ana to Vori (Tola)
Gold Weight converter: Ana to Vori (Tola) with formula and conversion table.
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Anagram Solver
Find anagrams from a word list.
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Analogous Color Generator
Analogous Color Generator — copy HEX, RGB, HSL and CSS variables.
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Anchor Text Ratio Analyzer (CSV)
Anchor Text Ratio Analyzer (CSV) — no API, works on pasted data.
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Angle Converter (All Units)
Convert between all angle units instantly with a live table.
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Animated GIF Maker
Make GIFs from multiple images.
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Anniversary Calculator
Anniversary Calculator — runs entirely offline.
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Annotate PDF
Highlight, draw and comment on PDFs.
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Annulus (Ring) Area Calculator
Find the area of a annulus (ring) with steps.
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ANOVA Calculator
ANOVA Calculator for pasted data.
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API Key Generator
Random secure API keys.
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APNG Maker
Create animated PNG files.
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App Icon Generator
Generate iOS/Android icon sets from one image.
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APR Calculator
APR Calculator with charts and breakdown.
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Arc Length Calculator
Arc Length Calculator with step-by-step working.
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Area Converter (All Units)
Convert between all area units instantly with a live table.
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Argon2 Hash Generator
Generate a Argon2 hash from text instantly.
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Arithmetic Sequence Calculator
Arithmetic Sequence Calculator with step-by-step working.
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Article Schema Generator
Article Schema Generator — no API, works on pasted data.
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ASCII Table
Full ASCII chart with codes.
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Aspect Ratio Box Generator
Aspect Ratio Box Generator with live preview and copy-ready code.
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ASS to SRT Subtitle Converter
Convert ASS subtitle files to SRT.
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ASS to VTT Subtitle Converter
Convert ASS subtitle files to VTT.
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Atbash Cipher
Reverse-alphabet cipher.
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Attendance Sheet Maker
Customize and print or download attendance sheet as PDF.
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Audio Bitrate Changer
Re-encode at lower/higher bitrate.
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Audio Converter to Mono/Stereo
Change channel layout.
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Audio Duration Calculator (Batch)
Sum durations of many audio files.
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Audio Equalizer
Adjust bass, mid, treble and export.
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Audio Fade In/Out
Add fades to audio.
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Audio Joiner
Merge multiple audio files.
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Audio Looper
Loop a section for practice.
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Audio Metadata (ID3) Editor
Edit title, artist, album, cover art.
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Audio Noise Reduction
Reduce background hiss.
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Audio Normalizer
Normalize loudness to a target LUFS.
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Audio Spectrum Analyzer
Live frequency spectrum from mic or file.
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Audio Speed Changer
Change tempo without pitch change.
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Audio Splitter
Split audio into equal parts.
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Audio to Text Transcriber
Transcribe audio files offline.
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Audio Trimmer / MP3 Cutter
Cut audio with a waveform editor.
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Audio Volume Booster
Make quiet audio louder.
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Audio Waveform Image Generator
Create waveform PNG/SVG from audio.
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Audiogram Video Maker
Waveform video for podcasts.
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Avatar Maker
Avatar Maker — lightweight, fun, and shareable.
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Average Calculator
Average Calculator with step-by-step working.
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Average Order Value Calculator
Average Order Value Calculator for campaign planning and reporting.
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AVI to GIF Converter
Convert AVI video to GIF entirely in the browser.
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AVI to MKV Converter
Convert AVI video to MKV entirely in the browser.
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AVI to MOV Converter
Convert AVI video to MOV entirely in the browser.
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AVI to MP3 (Extract Audio)
Extract the audio track from AVI as MP3.
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AVI to MP4 Converter
Convert AVI video to MP4 entirely in the browser.
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AVI to WAV (Extract Audio)
Extract the audio track from AVI as WAV.
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AVI to WebM Converter
Convert AVI video to WebM entirely in the browser.
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AVIF to ICO Converter
Convert AVIF images to ICO format, single or batch, without uploading.
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AVIF to JPG Converter
Convert AVIF images to JPG format, single or batch, without uploading.
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AVIF to PDF Converter
Convert AVIF images to PDF format, single or batch, without uploading.
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AVIF to PNG Converter
Convert AVIF images to PNG format, single or batch, without uploading.
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AVIF to WebP Converter
Convert AVIF images to WebP format, single or batch, without uploading.
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Avro Phonetic Bangla Typing
Type Bangla with English phonetics online.
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Aztec Code Generator
Aztec Code Generator — download PNG/SVG, no limits.
B
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Baby Age Calculator
Baby Age Calculator with clear results and explanation.
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Baby Name Generator (Local List)
Baby Name Generator (Local List) — fair, instant and unlimited.
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Background Color Changer
Replace a transparent/removed background with any color.
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Background Remover
Remove image background automatically, no upload.
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Backlink CSV Analyzer
Backlink CSV Analyzer — no API, works on pasted data.
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Bandwidth Calculator
Download time from size and speed.
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Bangla Alphabet Chart (Printable)
Bangla Alphabet Chart (Printable) — printable or interactive, no login.
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Bangla Calendar
Monthly Bangla calendar with English and Hijri dates.
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Bangla Certificate Maker
Create Bangla certificates.
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Bangla Date Converter (Bongabdo)
Convert English date to Bangla calendar date.
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Bangla Font Previewer
Preview text in popular Bangla fonts.
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Bangla Invoice Generator
Make invoices in Bangla with taka in words.
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Bangla Keyboard (On-screen)
Click to type Bangla letters.
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Bangla Lorem Ipsum Generator
Generate Bangla dummy text.
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Bangla Name Meaning Finder
Search Bangla/Islamic names with meanings.
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Bangla OCR (Image to Bangla Text)
Extract Bangla text from images.
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Bangla Quote Image Maker
Make Bangla quote cards for Facebook.
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Bangla Sorting Tool
Sort Bangla words alphabetically.
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Bangla Spelling Checker
Check Bangla spelling offline.
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Bangla Stylish Text Generator
Decorate Bangla text for social posts.
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Bangla Text to Speech
Read Bangla text aloud (device voices).
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Bangla to Banglish (Transliteration)
Convert Bangla script to Roman letters.
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Bangla to English Number Converter
Convert ১২৩ to 123.
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Bangla Typing Speed Test
Test Bangla typing speed.
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Bangla Typing Tutor
Practice Bijoy or Avro layout lessons.
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Bangla Word Counter
Count Bangla words and characters correctly.
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Bangladesh Division/District/Upazila List
Searchable admin area list.
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Bangladesh Electricity Bill Calculator
Estimate bill from units by slab.
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Bangladesh Income Tax Calculator
Estimate personal income tax by slab.
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Bangladesh Mobile Number Validator
Validate and detect operator (GP, Robi, BL, Teletalk).
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Bangladesh NID Age Calculator
Calculate exact age for forms (as on date).
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Bangladesh Postcode Finder
Find post codes by area.
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Bangladesh Salary Breakdown Calculator
Basic, house rent, medical, conveyance split.
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Bangladesh VAT Calculator
Add or remove 15% VAT (custom rate).
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Bangladeshi Land Converter (All Units)
Convert between all bangladeshi land units instantly with a live table.
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Bangladeshi Weight Converter (All Units)
Convert between all bangladeshi weight units instantly with a live table.
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Banglish to Bangla
Convert Roman text to Bangla script.
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Bar Chart Maker
Bar Chart Maker for pasted data.
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Bar to PSI
Pressure converter: Bar to PSI with formula and conversion table.
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Barcode Check Digit Calculator
Compute EAN/UPC check digits.
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Barcode Label Sheet Maker
Barcode Label Sheet Maker — fill a form, preview and download PDF/PNG.
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Barcode Scanner (Camera)
Barcode Scanner (Camera) — download PNG/SVG, no limits.
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Base32 Encoder/Decoder
RFC 4648 Base32.
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Base58 Encoder/Decoder
Bitcoin-style Base58.
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Base64 Decoder
Decode Base64 to text.
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Base64 Encoder
Encode text to Base64 (UTF-8 safe).
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Base64 File Encoder
Encode any file to Base64.
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Base64 to File Decoder
Download a file from Base64.
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Base64 to Image
Decode Base64 strings back into images.
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Base64URL Encoder/Decoder
URL-safe Base64.
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Basic Auth Header Generator
Create Authorization headers.
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Basic Calculator
Basic Calculator with step-by-step working.
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Bass Booster
Boost low frequencies.
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Battery Life Calculator
Battery Life Calculator with formula shown.
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Battery Status Checker
Show battery level/charging.
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Bcrypt Hash Checker
Verify a password against a bcrypt hash.
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bcrypt Hash Generator
Generate a bcrypt hash from text instantly.
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Bibliography Formatter
Bibliography Formatter — printable or interactive, no login.
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Big Number Calculator
Arbitrary-precision arithmetic.
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Big Text Generator
Large emoji/block letters.
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Bigha to Acre
Bangladeshi Land converter: Bigha to Acre with formula and conversion table.
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Bigha to Kani
Bangladeshi Land converter: Bigha to Kani with formula and conversion table.
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Bigha to Katha
Bangladeshi Land converter: Bigha to Katha with formula and conversion table.
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Bigha to Shotangsho (Decimal)
Bangladeshi Land converter: Bigha to Shotangsho (Decimal) with formula and conversion table.
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Bigha to Square Foot
Bangladeshi Land converter: Bigha to Square Foot with formula and conversion table.
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Bigha to Square Meter
Bangladeshi Land converter: Bigha to Square Meter with formula and conversion table.
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Bijoy to Unicode Converter
Convert SutonnyMJ/Bijoy text to Unicode Bangla.
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Bill Split Calculator
Bill Split Calculator with charts and breakdown.
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Binary Encoder/Decoder
Text to 8-bit binary and back.
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Binary to Decimal Converter
Convert binary values to decimal.
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Binary to Hexadecimal Converter
Convert binary values to hexadecimal.
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Binary to Octal Converter
Convert binary values to octal.
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Binary to Text (ASCII) Converter
Convert binary values to text (ascii).
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Binaural Beats Generator
Create binaural beat tracks.
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Bingo Card Generator
Bingo Card Generator — printable or interactive, no login.
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Binomial Distribution Calculator
Binomial Distribution Calculator for pasted data.
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Birthday Card Maker
Birthday Card Maker — lightweight, fun, and shareable.
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Birthday Day Finder
Birthday Day Finder — runs entirely offline.
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Bit to Byte
Data Storage converter: Bit to Byte with formula and conversion table.
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Bitwise Calculator
AND, OR, XOR, shifts on numbers.
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BLAKE2b Hash Generator
Generate a BLAKE2b hash from text instantly.
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BLAKE3 Hash Generator
Generate a BLAKE3 hash from text instantly.
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Blank Page Remover
Detect and delete blank pages.
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Blur Background (Portrait Mode)
Blur background while keeping the subject sharp.
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BMI Calculator
BMI Calculator with clear results and explanation.
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BMP to ICO Converter
Convert BMP images to ICO format, single or batch, without uploading.
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BMP to JPG Converter
Convert BMP images to JPG format, single or batch, without uploading.
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BMP to PDF Converter
Convert BMP images to PDF format, single or batch, without uploading.
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BMP to PNG Converter
Convert BMP images to PNG format, single or batch, without uploading.
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BMP to WebP Converter
Convert BMP images to WebP format, single or batch, without uploading.
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BMR Calculator
BMR Calculator with clear results and explanation.
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Body Fat Calculator
Body Fat Calculator with clear results and explanation.
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Bold Italic Text Generator
Turn normal text into bold italic Unicode text you can paste anywhere.
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Bold Script Text Generator
Turn normal text into bold script Unicode text you can paste anywhere.
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Bold Text Generator
Turn normal text into bold Unicode text you can paste anywhere.
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Border Radius Generator
Border Radius Generator with live preview and copy-ready code.
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Box Plot Maker
Box Plot Maker for pasted data.
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Box Shadow Generator
Box Shadow Generator with live preview and copy-ready code.
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BPM Detector
Detect tempo of a song.
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BPM Tap Counter
Tap to find tempo.
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Braille Translator
Convert text to Unicode Braille.
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Brand Color Palette Builder
Brand Color Palette Builder — copy HEX, RGB, HSL and CSS variables.
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Brand Name Generator
Brand Name Generator — fair, instant and unlimited.
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Breadcrumb Generator
Breadcrumb Generator — no API, works on pasted data.
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Breadcrumb Schema Generator
Breadcrumb Schema Generator — no API, works on pasted data.
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Break-Even Calculator
Break-Even Calculator with charts and breakdown.
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Break-even ROAS Calculator
Break-even ROAS Calculator for campaign planning and reporting.
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Breathing Exercise Timer (Box Breathing)
Breathing Exercise Timer (Box Breathing) with clear results and explanation.
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Brick Calculator
Brick Calculator with formula shown.
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Brightness & Contrast Adjuster
Fine-tune brightness, contrast and saturation.
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Browser Feature Support Checker
Check WebGL, WASM, WebGPU support.
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Browser Fingerprint Viewer
See what your browser reveals.
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Browser Info Checker
Show browser, OS, features.
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Bubble Level (Spirit Level)
Use your phone as a level.
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Bubble Text Generator
Turn normal text into bubble Unicode text you can paste anywhere.
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Budget Planner (50/30/20)
Budget Planner (50/30/20) with charts and breakdown.
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Budget Sheet Maker
Customize and print or download budget sheet as PDF.
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Bulk Barcode Generator (CSV)
Bulk Barcode Generator (CSV) — download PNG/SVG, no limits.
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Bulk Image Compressor
Compress dozens of images and download as ZIP.
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Bulk Image Resizer
Resize many images at once and download as ZIP.
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Bulk Metadata Remover (ZIP)
Clean EXIF/GPS from many photos at once and download as ZIP.
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Bulk Password Generator
Generate many passwords to CSV.
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Bulk QR Code Generator (CSV)
Bulk QR Code Generator (CSV) — download PNG/SVG, no limits.
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Bulk UTM Builder
Bulk UTM Builder — no API, works on pasted data.
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Business Card Maker
Business Card Maker — fill a form, preview and download PDF/PNG.
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Business Days Calculator
Business Days Calculator — runs entirely offline.
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Business Model Canvas
Business Model Canvas — fill a form, preview and download PDF/PNG.
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Business Name Generator
Business Name Generator — fill a form, preview and download PDF/PNG.
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Byte to Bit
Data Storage converter: Byte to Bit with formula and conversion table.
C
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Caesar Cipher
Encode/decode with any shift + brute force.
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Caffeine Intake Calculator
Caffeine Intake Calculator with clear results and explanation.
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CAGR Calculator
CAGR Calculator with charts and breakdown.
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Calendar Event (.ics) Generator
Calendar Event (.ics) Generator — fill a form, preview and download PDF/PNG.
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Calendar Event QR Code
Calendar Event QR Code — download PNG/SVG, no limits.
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Calligraphy Practice Sheet Maker
Customize and print or download calligraphy practice sheet as PDF.
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Calorie Calculator
Calorie Calculator with clear results and explanation.
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Calorie to Joule
Energy converter: Calorie to Joule with formula and conversion table.
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Calories Burned Calculator
Calories Burned Calculator with clear results and explanation.
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camelCase Converter
Convert text to camelCase.
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Canonical Tag Generator
Canonical Tag Generator — no API, works on pasted data.
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Capacitor Code Calculator
Capacitor Code Calculator with formula shown.
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Car Loan Calculator
Car Loan Calculator with charts and breakdown.
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Carousel Post Maker
Carousel Post Maker — create, preview and export locally.
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Cash Denomination Counter
Cash Denomination Counter with charts and breakdown.
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Celsius to Fahrenheit
Temperature converter: Celsius to Fahrenheit with formula and conversion table.
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Celsius to Kelvin
Temperature converter: Celsius to Kelvin with formula and conversion table.
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Celsius to Rankine
Temperature converter: Celsius to Rankine with formula and conversion table.
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Centimeter to Inch
Length converter: Centimeter to Inch with formula and conversion table.
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Certificate Maker
Certificate Maker — fill a form, preview and download PDF/PNG.
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CGPA Calculator
CGPA Calculator — printable or interactive, no login.
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Character Code Converter
Text to Unicode code points and back.
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Character Counter
Count characters with/without spaces.
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Character Name Generator
Character Name Generator — lightweight, fun, and shareable.
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Checklist Maker
Checklist Maker — data stays on your device.
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Chemical Equation Balancer
Chemical Equation Balancer with formula shown.
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Chi-Square Calculator
Chi-Square Calculator for pasted data.
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Child Height Predictor
Child Height Predictor with clear results and explanation.
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Chinese Zodiac Finder
Chinese Zodiac Finder — runs entirely offline.
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Chmod Calculator
Convert Unix permissions numeric/symbolic.
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Chore Chart Maker
Customize and print or download chore chart as PDF.
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Chotak to Gram
Bangladeshi Weight converter: Chotak to Gram with formula and conversion table.
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Chotak to Kilogram
Bangladeshi Weight converter: Chotak to Kilogram with formula and conversion table.
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Chotak to Mon (Maund)
Bangladeshi Weight converter: Chotak to Mon (Maund) with formula and conversion table.
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Chotak to Seer
Bangladeshi Weight converter: Chotak to Seer with formula and conversion table.
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Chromatic Tuner
Tune any instrument.
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Churn Rate Calculator
Churn Rate Calculator for campaign planning and reporting.
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CIDR to IP Range
Expand CIDR blocks.
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Cipher Identifier
Guess which cipher text uses.
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Circle Area Calculator
Find the area of a circle with steps.
-
Circle Crop Image
Crop a photo into a circle with transparent background.
-
Circle Equation Calculator
Circle Equation Calculator with step-by-step working.
-
Circle Perimeter Calculator
Find the perimeter of a circle with steps.
-
Circle Sector Area Calculator
Find the area of a circle sector with steps.
-
Circled Text Generator
Turn normal text into circled Unicode text you can paste anywhere.
-
Citation Generator (APA/MLA/Chicago)
Citation Generator (APA/MLA/Chicago) — printable or interactive, no login.
-
Classroom Noise Meter
Classroom Noise Meter — printable or interactive, no login.
-
Classroom Timer
Classroom Timer — printable or interactive, no login.
-
Cliché & Filler Word Finder
Highlight weak words.
-
Click Speed Test (CPS)
Clicks per second test.
-
Clip-Path Generator
Clip-Path Generator with live preview and copy-ready code.
-
Clipboard Cleaner
Strip tracking params and formatting from copied text.
-
Clock Learning Tool
Clock Learning Tool — printable or interactive, no login.
-
Cloudflare _headers Generator
Security/cache headers for Pages.
-
Cloudflare _redirects Generator
Build _redirects for Cloudflare Pages.
-
CMYK to HEX Color Converter
Convert CMYK colors to HEX with live swatch.
-
CMYK to RGB Color Converter
Convert CMYK colors to RGB with live swatch.
-
Codabar Barcode Generator
Codabar Barcode Generator — download PNG/SVG, no limits.
-
Code 128 Barcode Generator
Code 128 Barcode Generator — download PNG/SVG, no limits.
-
Code 39 Barcode Generator
Code 39 Barcode Generator — download PNG/SVG, no limits.
-
Code 93 Barcode Generator
Code 93 Barcode Generator — download PNG/SVG, no limits.
-
Code Diff Checker
Side-by-side code diff.
-
Code to Image (Carbon-style)
Beautiful code screenshots.
-
Coefficient of Variation Calculator
Coefficient of Variation Calculator for pasted data.
-
Coin Flip
Coin Flip — fair, instant and unlimited.
-
Color Blindness Simulator
Color Blindness Simulator — copy HEX, RGB, HSL and CSS variables.
-
Color Blindness Test
Ishihara-style plates.
-
Color Code Converter for Android/iOS
HEX to UIColor/Color Int.
-
Color Contrast Checker (WCAG)
Color Contrast Checker (WCAG) — copy HEX, RGB, HSL and CSS variables.
-
Color Mixer
Color Mixer — copy HEX, RGB, HSL and CSS variables.
-
Color Name Finder
Color Name Finder — copy HEX, RGB, HSL and CSS variables.
-
Color Palette Generator
Color Palette Generator — copy HEX, RGB, HSL and CSS variables.
-
Color Picker
Color Picker — copy HEX, RGB, HSL and CSS variables.
-
Coloring by Number Generator
Coloring by Number Generator — printable or interactive, no login.
-
Column Merger
Merge two lists line by line.
-
Combination Calculator (nCr)
Combination Calculator (nCr) with step-by-step working.
-
Comic Panel Template Maker
Customize and print or download comic panel template as PDF.
-
Comment Picker Random Winner
Comment Picker Random Winner — create, preview and export locally.
-
Commission Calculator
Commission Calculator with charts and breakdown.
-
Compare PDFs
Highlight text differences between two PDFs.
-
Comparing Numbers Worksheet Generator
Make printable comparing numbers worksheets with answer keys.
-
Compass
Digital compass on phones.
-
Complementary Color Finder
Complementary Color Finder — copy HEX, RGB, HSL and CSS variables.
-
Complex Number Calculator
Complex Number Calculator with step-by-step working.
-
Compound Interest Calculator
Compound Interest Calculator with charts and breakdown.
-
Compress Image to 100KB
Shrink a photo to under 100KB.
-
Compress Image to 1MB
Shrink a photo to under 1MB.
-
Compress Image to 200KB
Shrink a photo to under 200KB.
-
Compress Image to 20KB
Hit an exact target size for forms and job portals.
-
Compress Image to 50KB
Shrink a photo to under 50KB.
-
Compress PDF
Shrink PDF size by recompressing images.
-
Compress Video for Email
Shrink videos under 25MB.
-
Compress Video for WhatsApp
Fit videos under WhatsApp size limits.
-
Concrete Volume Calculator
Concrete Volume Calculator with formula shown.
-
Cone Surface Area Calculator
Calculate the surface area of a cone.
-
Cone Volume Calculator
Calculate the volume of a cone.
-
Confetti Generator
Confetti Generator — lightweight, fun, and shareable.
-
Confidence Interval Calculator
Confidence Interval Calculator for pasted data.
-
Connection Type Checker
Show effective network type.
-
CONSTANT_CASE Converter
Convert to CONSTANT_CASE.
-
Content Calendar Template
Content Calendar Template for campaign planning and reporting.
-
Content Outline Builder
Content Outline Builder — no API, works on pasted data.
-
Content Security Policy Generator
Build CSP headers.
-
Conventional Commit Message Builder
Write proper commit messages.
-
Conversion Rate Calculator
Conversion Rate Calculator for campaign planning and reporting.
-
Cookie & Local Storage Viewer (this site)
Inspect site storage.
-
Cookie Consent Banner Generator
Create a GDPR-style banner snippet.
-
Cookie Parser
Decode cookie strings.
-
Cooking Converter (All Units)
Convert between all cooking units instantly with a live table.
-
Cool Symbols Bio Maker
Decorate bios with borders and symbols.
-
Cornell Notes Paper Maker
Customize and print or download cornell notes paper as PDF.
-
Correlation Coefficient Calculator
Correlation Coefficient Calculator for pasted data.
-
Cost per Lead Calculator
Cost per Lead Calculator for campaign planning and reporting.
-
Countdown Timer
Countdown Timer — runs entirely offline.
-
Countdown to New Year
Countdown to New Year — lightweight, fun, and shareable.
-
Country Code List
ISO country codes, dial codes, currencies.
-
Courier Charge Calculator (BD)
Courier Charge Calculator (BD) — fill a form, preview and download PDF/PNG.
-
Course Schema Generator
Course Schema Generator — no API, works on pasted data.
-
Cover Letter Builder
Cover Letter Builder — fill a form, preview and download PDF/PNG.
-
CPA Calculator
CPA Calculator for campaign planning and reporting.
-
CPC Calculator
CPC Calculator for campaign planning and reporting.
-
CPM Calculator
CPM Calculator for campaign planning and reporting.
-
CRC32 Hash Generator
Generate a CRC32 hash from text instantly.
-
Create TAR.GZ
Bundle files into tar.gz.
-
Create ZIP File
Zip files and folders in the browser.
-
Credit Card Payoff Calculator
Credit Card Payoff Calculator with charts and breakdown.
-
Credit Card Test Number Generator (Luhn)
Gateway sandbox test numbers that pass Luhn.
-
Cron Expression Explainer
Explain cron in plain English with next runs.
-
Cron Expression Generator
Build cron schedules visually.
-
Crontab Guru Alternative
Human-friendly cron editor.
-
Crop PDF
Trim PDF page margins.
-
Crossword Puzzle Maker
Crossword Puzzle Maker — printable or interactive, no login.
-
Cryptogram Puzzle Maker
Cryptogram Puzzle Maker — printable or interactive, no login.
-
CSR Decoder
Read CSR details.
-
CSR Generator
Create a certificate signing request.
-
CSS Animation (Keyframes) Generator
CSS Animation (Keyframes) Generator with live preview and copy-ready code.
-
CSS Autoprefixer
Add vendor prefixes.
-
CSS Button Generator
CSS Button Generator with live preview and copy-ready code.
-
CSS Checkbox Styler
CSS Checkbox Styler with live preview and copy-ready code.
-
CSS Filter Generator
CSS Filter Generator with live preview and copy-ready code.
-
CSS Formatter
Beautify and indent CSS code with configurable style.
-
CSS Gradient Generator
CSS Gradient Generator — copy HEX, RGB, HSL and CSS variables.
-
CSS Grid Generator
CSS Grid Generator with live preview and copy-ready code.
-
CSS Loader / Spinner Generator
CSS Loader / Spinner Generator with live preview and copy-ready code.
-
CSS Minifier
Minify CSS to reduce file size.
-
CSS Pattern Generator
CSS Pattern Generator with live preview and copy-ready code.
-
CSS Scrollbar Styler
CSS Scrollbar Styler with live preview and copy-ready code.
-
CSS Specificity Calculator
CSS Specificity Calculator with live preview and copy-ready code.
-
CSS to SCSS (Nesting)
Convert flat CSS into nested SCSS.
-
CSS to Tailwind Converter
Map CSS rules to Tailwind classes.
-
CSS Toggle Switch Generator
CSS Toggle Switch Generator with live preview and copy-ready code.
-
CSS Tooltip Generator
CSS Tooltip Generator with live preview and copy-ready code.
-
CSS Transform Generator
CSS Transform Generator with live preview and copy-ready code.
-
CSS Triangle Generator
CSS Triangle Generator with live preview and copy-ready code.
-
CSS Units Converter (All Units)
Convert between all css units units instantly with a live table.
-
CSS Validator
Check CSS for syntax errors and show the exact line.
-
CSV Column Extractor
Keep only the columns you need.
-
CSV Delimiter Changer
Switch between comma, semicolon, tab, pipe.
-
CSV Duplicate Remover
Remove duplicate rows from CSV.
-
CSV Merger
Join multiple CSV files.
-
CSV Splitter
Split large CSVs by row count.
-
CSV to Excel (XLSX)
Convert CSV data into Excel (XLSX) format, with preview and download.
-
CSV to GeoJSON
Convert CSV into GeoJSON.
-
CSV to HTML Table
Convert CSV data into HTML Table format, with preview and download.
-
CSV to JSON
Convert CSV data into JSON format, with preview and download.
-
CSV to Markdown Table
Convert CSV data into Markdown Table format, with preview and download.
-
CSV to SQL INSERT
Convert CSV data into SQL INSERT format, with preview and download.
-
CSV to SQLite Query Tool
Query CSV files with SQL.
-
CSV to vCard
Convert CSV into vCard.
-
CSV to XML
Convert CSV data into XML format, with preview and download.
-
CSV to YAML
Convert CSV data into YAML format, with preview and download.
-
CSV Validator
Check CSV for syntax errors and show the exact line.
-
CSV Viewer & Editor
View, sort, filter and edit CSV in a grid.
-
CTR Calculator
CTR Calculator for campaign planning and reporting.
-
Cube Surface Area Calculator
Calculate the surface area of a cube.
-
Cube Volume Calculator
Calculate the volume of a cube.
-
Cubic Bezier Generator
Cubic Bezier Generator with live preview and copy-ready code.
-
Cubic Equation Solver
Cubic Equation Solver with step-by-step working.
-
Cuboid Surface Area Calculator
Calculate the surface area of a cuboid.
-
Cuboid Volume Calculator
Calculate the volume of a cuboid.
-
Cup to Milliliter
Volume converter: Cup to Milliliter with formula and conversion table.
-
cURL to Axios
Convert a cURL command into Axios code.
-
cURL to C# HttpClient
Convert a cURL command into C# HttpClient code.
-
cURL to Go net/http
Convert a cURL command into Go net/http code.
-
cURL to Java HttpClient
Convert a cURL command into Java HttpClient code.
-
cURL to JavaScript fetch
Convert a cURL command into JavaScript fetch code.
-
cURL to Node.js http
Convert a cURL command into Node.js http code.
-
cURL to PHP cURL
Convert a cURL command into PHP cURL code.
-
cURL to PowerShell
Convert a cURL command into PowerShell code.
-
cURL to Python requests
Convert a cURL command into Python requests code.
-
cURL to wget
Convert a cURL command into wget code.
-
Cursed Text Generator
Creepy combining-character text.
-
Custom Styled QR Code Generator
Custom Styled QR Code Generator — download PNG/SVG, no limits.
-
Customer Acquisition Cost (CAC) Calculator
Customer Acquisition Cost (CAC) Calculator for campaign planning and reporting.
-
Customer Lifetime Value (LTV) Calculator
Customer Lifetime Value (LTV) Calculator for campaign planning and reporting.
-
Cylinder Surface Area Calculator
Calculate the surface area of a cylinder.
-
Cylinder Volume Calculator
Calculate the volume of a cylinder.
D
-
Daily Planner
Daily Planner — data stays on your device.
-
Daraz Product Image Resizer
Crop and resize any image to the exact Daraz Product Image size.
-
Daraz Seller Commission Calculator
Daraz Seller Commission Calculator — fill a form, preview and download PDF/PNG.
-
Dark Mode Palette Generator
Dark Mode Palette Generator — copy HEX, RGB, HSL and CSS variables.
-
Data Matrix Generator
Data Matrix Generator — download PNG/SVG, no limits.
-
Data Storage Converter (All Units)
Convert between all data storage units instantly with a live table.
-
Data Transfer Rate Converter (All Units)
Convert between all data transfer rate units instantly with a live table.
-
Data Transfer Time Calculator
How long to upload/download a file.
-
Data URL Generator
Create data: URLs from files.
-
Date Difference Calculator
Date Difference Calculator — runs entirely offline.
-
Date Format Tester (strftime/moment)
Preview date format patterns.
-
Day Length Calculator
Day Length Calculator — runs entirely offline.
-
Day of the Week Finder
Day of the Week Finder — runs entirely offline.
-
Day to Hour
Time converter: Day to Hour with formula and conversion table.
-
Day to Year
Time converter: Day to Year with formula and conversion table.
-
Days Until Birthday
Days Until Birthday — runs entirely offline.
-
Dead Pixel Test
Full-screen colors to find dead pixels.
-
Debt Snowball Calculator
Debt Snowball Calculator with charts and breakdown.
-
Debt-to-Income Ratio Calculator
Debt-to-Income Ratio Calculator with charts and breakdown.
-
Decimal Hours to Hours:Minutes
Decimal Hours to Hours:Minutes — runs entirely offline.
-
Decimal to Binary Converter
Convert decimal values to binary.
-
Decimal to Fraction
Decimal to Fraction with step-by-step working.
-
Decimal to Hexadecimal Converter
Convert decimal values to hexadecimal.
-
Decimal to Octal Converter
Convert decimal values to octal.
-
Decimal to Text (ASCII) Converter
Convert decimal values to text (ascii).
-
Decimals Worksheet Generator
Make printable decimals worksheets with answer keys.
-
Decision Matrix
Decision Matrix — data stays on your device.
-
Degree to Radian
Angle converter: Degree to Radian with formula and conversion table.
-
Delete PDF Pages
Remove unwanted pages.
-
Delivery Challan Generator
Delivery Challan Generator — fill a form, preview and download PDF/PNG.
-
Density Calculator
Density Calculator with formula shown.
-
Dentist Schema Generator
Dentist Schema Generator — no API, works on pasted data.
-
Depreciation Calculator
Depreciation Calculator with charts and breakdown.
-
Derivative Calculator
Derivative Calculator with step-by-step working.
-
Descriptive Statistics Calculator
Descriptive Statistics Calculator for pasted data.
-
Device Mockup Generator
Place screenshots inside phone/laptop frames.
-
Device Orientation / Gyroscope Test
Show tilt sensor values.
-
Dice Roller
Dice Roller — fair, instant and unlimited.
-
Dictation Practice (TTS)
Dictation Practice (TTS) — printable or interactive, no login.
-
Digital Signature Pad
Digital Signature Pad — data stays on your device.
-
Dilution Calculator (C1V1)
Dilution Calculator (C1V1) with formula shown.
-
Disavow File Generator
Disavow File Generator — no API, works on pasted data.
-
Discord Banner Resizer
Crop and resize any image to the exact Discord Banner size.
-
Discord Fonts Generator
Fancy text for Discord.
-
Discount Calculator
Discount Calculator with charts and breakdown.
-
Distance Between Two Points
Distance Between Two Points with step-by-step working.
-
Dividend Yield Calculator
Dividend Yield Calculator with charts and breakdown.
-
Divisibility Checker
Divisibility Checker with step-by-step working.
-
Division Worksheet Generator
Make printable division worksheets with answer keys.
-
DMARC Record Generator
Build DMARC policies.
-
DNS Record Explainer
Explain A, CNAME, MX, TXT, SPF records.
-
docker-compose Generator
Build compose files visually.
-
Dockerfile Generator
Generate Dockerfiles for common stacks.
-
Document Redactor (Text)
Mask emails, phones, IDs in text.
-
Document Scanner (Perspective Fix)
Fix perspective of photographed documents.
-
DOCX Image Extractor
Save all images from a Word file.
-
Domain Name Idea Generator
Domain Name Idea Generator — fair, instant and unlimited.
-
Dominant Color Extractor
Extract the main color palette of an image.
-
Dot & Cross Product Calculator
Dot & Cross Product Calculator with step-by-step working.
-
Dot Grid Paper Maker
Customize and print or download dot grid paper as PDF.
-
Dot-to-Dot Puzzle Maker
Dot-to-Dot Puzzle Maker — printable or interactive, no login.
-
dot.case Converter
Convert to dot.case.
-
Double-Struck Text Generator
Turn normal text into double-struck Unicode text you can paste anywhere.
-
DPS / Recurring Deposit Calculator
DPS / Recurring Deposit Calculator with charts and breakdown.
-
Drawing Pad / Sketchpad
Drawing Pad / Sketchpad — printable or interactive, no login.
-
Drum Machine
Program simple beats.
-
DTMF Tone Generator
Generate phone keypad tones.
-
Duplicate Content Checker (Two Texts)
Duplicate Content Checker (Two Texts) — no API, works on pasted data.
E
-
E-commerce Profit Calculator
E-commerce Profit Calculator — fill a form, preview and download PDF/PNG.
-
EAN-13 Barcode Generator
EAN-13 Barcode Generator — download PNG/SVG, no limits.
-
EAN-8 Barcode Generator
EAN-8 Barcode Generator — download PNG/SVG, no limits.
-
ECDSA Key Generator
Generate EC key pairs.
-
Echo & Reverb Adder
Add echo/reverb to audio.
-
Edit PDF Metadata
Change title, author, subject, keywords.
-
Eid Card Maker
Eid Card Maker — lightweight, fun, and shareable.
-
Eisenhower Matrix
Eisenhower Matrix — data stays on your device.
-
Electricity Cost Calculator
Electricity Cost Calculator with formula shown.
-
Ellipse Area Calculator
Find the area of a ellipse with steps.
-
Ellipsoid Volume Calculator
Calculate the volume of a ellipsoid.
-
EM to PX
CSS Units converter: EM to PX with formula and conversion table.
-
Email Address Validator (Syntax)
Check email syntax rules.
-
Email Header Analyzer
Parse raw email headers and hops.
-
Email Header Resizer
Crop and resize any image to the exact Email Header size.
-
Email Open Rate Calculator
Email Open Rate Calculator for campaign planning and reporting.
-
Email QR Code Generator
Email QR Code Generator — download PNG/SVG, no limits.
-
Email Signature Generator
Email Signature Generator — fill a form, preview and download PDF/PNG.
-
Email Subject Line Tester (Rule-based)
Email Subject Line Tester (Rule-based) for campaign planning and reporting.
-
Embed Code Generator (YouTube/Maps)
Embed Code Generator (YouTube/Maps) with live preview and copy-ready code.
-
Emoji Caption Decorator
Emoji Caption Decorator — create, preview and export locally.
-
Emoji Letters Generator
Spell words with emoji letters.
-
Emoji Picker & Search
Search and copy emojis.
-
Emoji Translator
Emoji Translator — lightweight, fun, and shareable.
-
Employee Cost Calculator
Employee Cost Calculator — fill a form, preview and download PDF/PNG.
-
Energy Converter (All Units)
Convert between all energy units instantly with a live table.
-
Engagement Rate Calculator
Engagement Rate Calculator for campaign planning and reporting.
-
English Phonics Chart
English Phonics Chart — printable or interactive, no login.
-
English to Bangla Number Converter
Convert 123 to ১২৩.
-
Enigma Machine Simulator
Simulate the WWII Enigma.
-
Epoch Batch Converter
Convert many timestamps at once.
-
EPUB Reader
Read EPUB books in the browser.
-
EPUB to PDF
Convert EPUB chapters to PDF.
-
EPUB to Text
Extract text from EPUB books.
-
ER Diagram from SQL
Visualize tables from SQL DDL.
-
Etsy Banner Resizer
Crop and resize any image to the exact Etsy Banner size.
-
Event Countdown (Shareable)
Event Countdown (Shareable) — runs entirely offline.
-
Event Poster Maker
Event Poster Maker — create, preview and export locally.
-
Event Schema Generator
Event Schema Generator — no API, works on pasted data.
-
Event Ticket Maker
Event Ticket Maker — fill a form, preview and download PDF/PNG.
-
Exam Countdown
Exam Countdown — printable or interactive, no login.
-
Excel (XLSX) to CSV
Convert Excel (XLSX) data into CSV format, with preview and download.
-
Excel (XLSX) to HTML Table
Convert Excel (XLSX) data into HTML Table format, with preview and download.
-
Excel (XLSX) to JSON
Convert Excel (XLSX) data into JSON format, with preview and download.
-
Excel (XLSX) to Markdown Table
Convert Excel (XLSX) data into Markdown Table format, with preview and download.
-
Excel (XLSX) to SQL INSERT
Convert Excel (XLSX) data into SQL INSERT format, with preview and download.
-
Excel (XLSX) to XML
Convert Excel (XLSX) data into XML format, with preview and download.
-
Excel (XLSX) to YAML
Convert Excel (XLSX) data into YAML format, with preview and download.
-
Excel Sheet Merger
Combine multiple XLSX/CSV files into one.
-
Excel to PDF
Convert XLSX sheets to PDF tables.
-
Excel to vCard
Turn a contact sheet into VCF contacts.
-
Excel Viewer
Open XLSX/XLS/ODS files without Excel.
-
EXIF Data Editor
Edit date taken, author, copyright and GPS tags.
-
EXIF Data Viewer
See camera, lens, date and GPS info stored in a photo.
-
Expense Splitter (Trip)
Expense Splitter (Trip) — data stays on your device.
-
Exponent Calculator
Exponent Calculator with step-by-step working.
-
Extract 7Z File
Unpack 7-Zip archives.
-
Extract Emails from Text
Pull all email addresses.
-
Extract Hashtags & Mentions
Pull #tags and @mentions.
-
Extract Images from PDF
Save all embedded images.
-
Extract Numbers from Text
Pull all numbers.
-
Extract PDF Pages
Save selected pages as a new PDF.
-
Extract Phone Numbers
Pull phone numbers from text.
-
Extract RAR File
Unpack RAR archives.
-
Extract TAR / TAR.GZ
Unpack tar and tar.gz archives.
-
Extract URLs from Text
Pull all links.
-
Extract ZIP File
Open ZIP files and download contents.
-
Eye Rest 20-20-20 Timer
Eye Rest 20-20-20 Timer with clear results and explanation.
-
Eye Test (Snellen Chart)
Basic visual acuity chart.
F
-
Face Blur Tool
Auto-detect and blur faces for privacy.
-
Facebook Ad (1.91:1) Resizer
Crop and resize any image to the exact Facebook Ad (1.91:1) size.
-
Facebook Ads Cost Estimator
Facebook Ads Cost Estimator for campaign planning and reporting.
-
Facebook Cover Maker
Facebook Cover Maker — create, preview and export locally.
-
Facebook Cover Resizer
Crop and resize any image to the exact Facebook Cover size.
-
Facebook Event Cover Resizer
Crop and resize any image to the exact Facebook Event Cover size.
-
Facebook Fonts Generator
Stylish text for Facebook posts.
-
Facebook Group Cover Resizer
Crop and resize any image to the exact Facebook Group Cover size.
-
Facebook Post Preview
Facebook Post Preview — create, preview and export locally.
-
Facebook Post Resizer
Crop and resize any image to the exact Facebook Post size.
-
Factorial Calculator
Factorial Calculator with step-by-step working.
-
Factors Finder
Factors Finder with step-by-step working.
-
Fahrenheit to Celsius
Temperature converter: Fahrenheit to Celsius with formula and conversion table.
-
Fahrenheit to Kelvin
Temperature converter: Fahrenheit to Kelvin with formula and conversion table.
-
Fahrenheit to Rankine
Temperature converter: Fahrenheit to Rankine with formula and conversion table.
-
Fake JSON Data Generator
Generate mock data from a template.
-
FAQ Schema Generator
FAQ Schema Generator — no API, works on pasted data.
-
FAQ Section Builder
FAQ Section Builder — no API, works on pasted data.
-
Faraez (Islamic Inheritance) Calculator
Estimate shares under Islamic inheritance rules.
-
Favicon (16/32/48) Resizer
Crop and resize any image to the exact Favicon (16/32/48) size.
-
Favicon Generator
Create favicon.ico + PNG icons + manifest from one image.
-
Favicon HTML Snippet Generator
Favicon HTML Snippet Generator with live preview and copy-ready code.
-
Featured Snippet Formatter
Featured Snippet Formatter — no API, works on pasted data.
-
Fibonacci Generator
Fibonacci Generator with step-by-step working.
-
File BLAKE3 Checksum
Compute the BLAKE3 checksum of any file locally (even large files).
-
File CRC32 Checksum
Compute the CRC32 checksum of any file locally (even large files).
-
File Decryptor (AES)
Decrypt files made by the encryptor.
-
File Encryptor (AES)
Encrypt any file with a password.
-
File MD5 Checksum
Compute the MD5 checksum of any file locally (even large files).
-
File SHA-1 Checksum
Compute the SHA-1 checksum of any file locally (even large files).
-
File SHA-256 Checksum
Compute the SHA-256 checksum of any file locally (even large files).
-
File SHA-512 Checksum
Compute the SHA-512 checksum of any file locally (even large files).
-
File Splitter & Joiner
Split big files into parts and rejoin.
-
File Type Detector
Detect real file type from magic bytes.
-
Fill PDF Forms
Fill interactive PDF form fields.
-
Fill-in-the-Blank Worksheet Maker
Fill-in-the-Blank Worksheet Maker — printable or interactive, no login.
-
Final Exam Grade Calculator
Final Exam Grade Calculator — printable or interactive, no login.
-
Find and Replace Text
Find/replace with regex support.
-
Fixed Deposit (FD) Calculator
Fixed Deposit (FD) Calculator with charts and breakdown.
-
FLAC to AAC Converter
Convert FLAC audio files to AAC with bitrate options.
-
FLAC to M4A Converter
Convert FLAC audio files to M4A with bitrate options.
-
FLAC to MP3 Converter
Convert FLAC audio files to MP3 with bitrate options.
-
FLAC to OGG Converter
Convert FLAC audio files to OGG with bitrate options.
-
FLAC to WAV Converter
Convert FLAC audio files to WAV with bitrate options.
-
Flashcard Maker
Flashcard Maker — printable or interactive, no login.
-
Flashlight
Turn on phone torch.
-
Flatten PDF
Flatten forms and annotations.
-
Flexbox Playground
Flexbox Playground with live preview and copy-ready code.
-
Flooring Calculator
Flooring Calculator with formula shown.
-
Flowchart Maker
Draw flowcharts and export PNG/SVG.
-
Fluid Ounce to Milliliter
Volume converter: Fluid Ounce to Milliliter with formula and conversion table.
-
Fluid Typography (clamp) Generator
Fluid Typography (clamp) Generator with live preview and copy-ready code.
-
Focus Mode Timer with Ambient Sounds
Focus Mode Timer with Ambient Sounds — data stays on your device.
-
Font Pairing Previewer
Font Pairing Previewer with live preview and copy-ready code.
-
Foot to Inch
Length converter: Foot to Inch with formula and conversion table.
-
Foot to Meter
Length converter: Foot to Meter with formula and conversion table.
-
Force (F=ma) Calculator
Force (F=ma) Calculator with formula shown.
-
Form to PDF Filler
Form to PDF Filler — data stays on your device.
-
Fortune Cookie Generator
Fortune Cookie Generator — lightweight, fun, and shareable.
-
Fraction Calculator
Fraction Calculator with step-by-step working.
-
Fraction Simplifier
Fraction Simplifier with step-by-step working.
-
Fraction to Decimal
Fraction to Decimal with step-by-step working.
-
Fraction Visualizer
Fraction Visualizer — printable or interactive, no login.
-
Fractions Worksheet Generator
Make printable fractions worksheets with answer keys.
-
Fraktur (Gothic) Text Generator
Turn normal text into fraktur (gothic) Unicode text you can paste anywhere.
-
Free Fall Calculator
Free Fall Calculator with formula shown.
-
Frequency Analysis Tool
Letter frequency for cryptanalysis.
-
Frequency Converter (All Units)
Convert between all frequency units instantly with a live table.
-
Frequency Table Maker
Frequency Table Maker for pasted data.
-
Frustum Volume Calculator
Calculate the volume of a frustum.
-
Fuel Cost Calculator
Fuel Cost Calculator with formula shown.
-
Fuel Economy Converter (All Units)
Convert between all fuel economy units instantly with a live table.
-
Fullscreen White Screen
Plain screen light / ring light.
-
Function Plotter (2D)
Function Plotter (2D) with step-by-step working.
-
Future Value Calculator
Future Value Calculator with charts and breakdown.
G
-
GA4 Event Snippet Generator
GA4 Event Snippet Generator for campaign planning and reporting.
-
Gallon to Liter
Volume converter: Gallon to Liter with formula and conversion table.
-
Gamepad Tester
Test controller buttons and sticks.
-
Gamertag Generator
Gamertag Generator — fair, instant and unlimited.
-
Gaming Name / Nickname Generator
Stylish names with symbols for PUBG, Free Fire.
-
Gantt Chart Maker
Gantt Chart Maker — fill a form, preview and download PDF/PNG.
-
GCD / HCF Calculator
GCD / HCF Calculator with step-by-step working.
-
Gear Ratio Calculator
Gear Ratio Calculator with formula shown.
-
Generator Load Calculator
Generator Load Calculator with formula shown.
-
GeoJSON to CSV
Convert GeoJSON into CSV.
-
GeoJSON to KML
Convert GeoJSON into KML.
-
Geolocation Viewer
Show your GPS coordinates on a map.
-
Geometric Sequence Calculator
Geometric Sequence Calculator with step-by-step working.
-
GIF Frame Extractor
Split a GIF into individual frames.
-
GIF Resizer
Resize animated GIFs keeping animation.
-
GIF Reverser
Play a GIF backwards.
-
GIF Speed Changer
Speed up or slow down GIF animation.
-
GIF to ICO Converter
Convert GIF images to ICO format, single or batch, without uploading.
-
GIF to JPG Converter
Convert GIF images to JPG format, single or batch, without uploading.
-
GIF to PDF Converter
Convert GIF images to PDF format, single or batch, without uploading.
-
GIF to PNG Converter
Convert GIF images to PNG format, single or batch, without uploading.
-
GIF to WebP Converter
Convert GIF images to WebP format, single or batch, without uploading.
-
Gift Voucher Maker
Gift Voucher Maker — fill a form, preview and download PDF/PNG.
-
Gigabyte to Megabyte
Data Storage converter: Gigabyte to Megabyte with formula and conversion table.
-
Gigabyte to Terabyte
Data Storage converter: Gigabyte to Terabyte with formula and conversion table.
-
GitHub Actions Workflow Generator
Build CI YAML files.
-
Giveaway Winner Picker (Paste Comments)
Giveaway Winner Picker (Paste Comments) — create, preview and export locally.
-
Glassmorphism Generator
Glassmorphism Generator with live preview and copy-ready code.
-
Glitch Effect Generator
Add RGB-split glitch effects.
-
Goal Tracker
Goal Tracker — data stays on your device.
-
Gold Price Calculator (Vori)
Calculate gold value by vori/ana/rati and karat.
-
Gold Weight Converter (All Units)
Convert between all gold weight units instantly with a live table.
-
Golden Hour Calculator
Golden Hour Calculator — runs entirely offline.
-
Google Ads Budget Planner
Google Ads Budget Planner for campaign planning and reporting.
-
Google Business Profile Post Previewer
Google Business Profile Post Previewer — no API, works on pasted data.
-
Google Display Ad (160x600) Resizer
Crop and resize any image to the exact Google Display Ad (160x600) size.
-
Google Display Ad (300x250) Resizer
Crop and resize any image to the exact Google Display Ad (300x250) size.
-
Google Display Ad (728x90) Resizer
Crop and resize any image to the exact Google Display Ad (728x90) size.
-
Google Fonts Previewer
Google Fonts Previewer with live preview and copy-ready code.
-
Google Maps Location QR
Google Maps Location QR — download PNG/SVG, no limits.
-
Google Search Console CSV Analyzer
Google Search Console CSV Analyzer — no API, works on pasted data.
-
GPA Calculator
GPA Calculator — printable or interactive, no login.
-
GPS Location Remover
Remove only GPS coordinates and keep other metadata.
-
GPX to GeoJSON
Convert GPX into GeoJSON.
-
Grade Calculator
Grade Calculator — printable or interactive, no login.
-
Gradebook Sheet Maker
Customize and print or download gradebook sheet as PDF.
-
Gram to Ana
Gold Weight converter: Gram to Ana with formula and conversion table.
-
Gram to Chotak
Bangladeshi Weight converter: Gram to Chotak with formula and conversion table.
-
Gram to Kilogram
Bangladeshi Weight converter: Gram to Kilogram with formula and conversion table.
-
Gram to Mon (Maund)
Bangladeshi Weight converter: Gram to Mon (Maund) with formula and conversion table.
-
Gram to Ounce
Weight converter: Gram to Ounce with formula and conversion table.
-
Gram to Rati
Gold Weight converter: Gram to Rati with formula and conversion table.
-
Gram to Seer
Bangladeshi Weight converter: Gram to Seer with formula and conversion table.
-
Gram to Vori (Tola)
Gold Weight converter: Gram to Vori (Tola) with formula and conversion table.
-
Grammar Checker (Basic Rules)
Catch common grammar mistakes.
-
Graph Paper Maker
Customize and print or download graph paper as PDF.
-
Graphing Calculator
Graphing Calculator with step-by-step working.
-
GraphQL Formatter
Beautify and indent GraphQL code with configurable style.
-
GraphQL Minifier
Minify GraphQL to reduce file size.
-
GraphQL Query Builder
Build queries from a schema.
-
Graphviz DOT Viewer
Render DOT graphs.
-
Gratuity Calculator
Gratuity Calculator with charts and breakdown.
-
Grayscale Image Converter
Turn photos black and white.
-
Grayscale PDF
Convert a color PDF to black and white.
-
Greeting Card Maker
Greeting Card Maker — lightweight, fun, and shareable.
-
Grocery List Maker
Customize and print or download grocery list as PDF.
-
Gross Profit Calculator
Gross Profit Calculator with charts and breakdown.
-
GS1-128 Barcode Generator
GS1-128 Barcode Generator — download PNG/SVG, no limits.
-
GST Calculator
GST Calculator with charts and breakdown.
-
GTM DataLayer Snippet Generator
GTM DataLayer Snippet Generator for campaign planning and reporting.
-
GZIP Compressor
Gzip any file.
-
GZIP Decompressor
Decompress .gz files.
H
-
Habit Tracker
Habit Tracker — data stays on your device.
-
Habit Tracker Sheet Maker
Customize and print or download habit tracker sheet as PDF.
-
Handwriting Practice Paper Maker
Customize and print or download handwriting practice paper as PDF.
-
Handwriting to Text (Basic)
OCR for clear handwriting.
-
Hashtag Counter & Cleaner
Hashtag Counter & Cleaner — create, preview and export locally.
-
Hashtag Generator (Offline Lists)
Hashtag Generator (Offline Lists) — create, preview and export locally.
-
Heading (H1-H6) Structure Analyzer
Heading (H1-H6) Structure Analyzer — no API, works on pasted data.
-
Headline Analyzer (Rule-based)
Headline Analyzer (Rule-based) for campaign planning and reporting.
-
Headphone Frequency Test
Test hearing range of headphones.
-
Hearing Test (Frequency)
Check which frequencies you can hear.
-
Heart Rate Zone Calculator
Heart Rate Zone Calculator with clear results and explanation.
-
Hectare to Acre
Area converter: Hectare to Acre with formula and conversion table.
-
HEIC to ICO Converter
Convert HEIC images to ICO format, single or batch, without uploading.
-
HEIC to JPG Converter
Convert HEIC images to JPG format, single or batch, without uploading.
-
HEIC to PDF Converter
Convert HEIC images to PDF format, single or batch, without uploading.
-
HEIC to PNG Converter
Convert HEIC images to PNG format, single or batch, without uploading.
-
HEIC to WebP Converter
Convert HEIC images to WebP format, single or batch, without uploading.
-
Hemisphere Surface Area Calculator
Calculate the surface area of a hemisphere.
-
Hemisphere Volume Calculator
Calculate the volume of a hemisphere.
-
Hex Encoder/Decoder
Text to hex bytes and back.
-
Hex File Viewer
View any file as hex dump.
-
HEX to CMYK Color Converter
Convert HEX colors to CMYK with live swatch.
-
HEX to Color Name
HEX to Color Name — copy HEX, RGB, HSL and CSS variables.
-
HEX to HSL Color Converter
Convert HEX colors to HSL with live swatch.
-
HEX to HSV Color Converter
Convert HEX colors to HSV with live swatch.
-
HEX to OKLCH Color Converter
Convert HEX colors to OKLCH with live swatch.
-
HEX to RGB Color Converter
Convert HEX colors to RGB with live swatch.
-
Hexadecimal to Binary Converter
Convert hexadecimal values to binary.
-
Hexadecimal to Decimal Converter
Convert hexadecimal values to decimal.
-
Hexadecimal to Octal Converter
Convert hexadecimal values to octal.
-
Hexadecimal to Text (ASCII) Converter
Convert hexadecimal values to text (ascii).
-
Hexagon Area Calculator
Find the area of a hexagon with steps.
-
Hexagon Perimeter Calculator
Find the perimeter of a hexagon with steps.
-
Hijri Date Converter
Convert Gregorian dates to Hijri and back.
-
Histogram Maker
Histogram Maker for pasted data.
-
HMAC-SHA-1 Generator
Create HMAC-SHA-1 signatures with a secret key.
-
HMAC-SHA-256 Generator
Create HMAC-SHA-256 signatures with a secret key.
-
HMAC-SHA-512 Generator
Create HMAC-SHA-512 signatures with a secret key.
-
Home Loan Calculator
Home Loan Calculator with charts and breakdown.
-
Horsepower to Kilowatt
Power converter: Horsepower to Kilowatt with formula and conversion table.
-
Hour to Day
Time converter: Hour to Day with formula and conversion table.
-
Hour to Minute
Time converter: Hour to Minute with formula and conversion table.
-
Hourly to Salary Calculator
Hourly to Salary Calculator with charts and breakdown.
-
Hours Calculator (Time Card)
Hours Calculator (Time Card) — runs entirely offline.
-
Hours Until Calculator
Hours Until Calculator — runs entirely offline.
-
HowTo Schema Generator
HowTo Schema Generator — no API, works on pasted data.
-
Hreflang Tag Generator
Hreflang Tag Generator — no API, works on pasted data.
-
HSL to HEX Color Converter
Convert HSL colors to HEX with live swatch.
-
HSL to RGB Color Converter
Convert HSL colors to RGB with live swatch.
-
HSV to HEX Color Converter
Convert HSV colors to HEX with live swatch.
-
HSV to RGB Color Converter
Convert HSV colors to RGB with live swatch.
-
HTML Email Template Builder
HTML Email Template Builder with live preview and copy-ready code.
-
HTML Entity Encoder/Decoder
Escape & < > characters.
-
HTML Form Builder
HTML Form Builder with live preview and copy-ready code.
-
HTML Formatter
Beautify and indent HTML code with configurable style.
-
HTML Live Editor (CodePen-like)
Edit HTML/CSS/JS with live preview.
-
HTML Minifier
Minify HTML to reduce file size.
-
HTML Table Generator
HTML Table Generator with live preview and copy-ready code.
-
HTML to JSX
Convert HTML to React JSX.
-
HTML to Markdown
Convert HTML into Markdown.
-
HTML to PDF
Convert HTML code to PDF.
-
HTML to Text
Strip tags to get plain text.
-
HTML to Word (DOCX)
Save HTML as a Word document.
-
HTML Validator
Check HTML for syntax errors and show the exact line.
-
HTTP Header Parser
Parse raw headers into a table.
-
HTTP Status Code Reference
Search all HTTP codes with meaning.
I
-
IBAN Validator
Check IBAN format and checksum.
-
ICO to PNG Converter
Convert ICO images to PNG format, single or batch, without uploading.
-
ID Card Maker
ID Card Maker — fill a form, preview and download PDF/PNG.
-
ID3 Tag Viewer
Read MP3 tags and cover art.
-
Ideal Gas Law Calculator
Ideal Gas Law Calculator with formula shown.
-
Ideal Weight Calculator
Ideal Weight Calculator with clear results and explanation.
-
IEEE 754 Float Converter
See float binary representation.
-
Iframe Generator
Iframe Generator with live preview and copy-ready code.
-
Image Alt Text Checker (from HTML)
Image Alt Text Checker (from HTML) — no API, works on pasted data.
-
Image Annotation Tool
Image Annotation Tool — data stays on your device.
-
Image Aspect Ratio Calculator
Calculate missing width/height for a ratio.
-
Image Blur Tool
Blur the whole image or a selected area.
-
Image Collage Maker
Combine photos into grid collages.
-
Image Color Picker
Pick HEX/RGB colors from any image.
-
Image Comparison Slider
Compare before/after images with a slider.
-
Image Compressor
Reduce JPG/PNG/WebP size with a quality slider.
-
Image Cropper
Crop freely or to fixed ratios.
-
Image Diff Checker
Highlight pixel differences between two images.
-
Image DPI Changer
Change DPI metadata to 300 for print.
-
Image Duotone Effect
Apply two-color duotone effect.
-
Image Flipper (Mirror)
Flip images horizontally or vertically.
-
Image Histogram Viewer
View RGB and luminance histograms.
-
Image Merger (Side by Side)
Join images horizontally or vertically.
-
Image Metadata (EXIF) Remover
Strip EXIF, GPS and camera data from photos before sharing.
-
Image Mosaic Maker
Build a photo mosaic from many images.
-
Image Noise Remover
Reduce grain with a median/bilateral filter.
-
Image Outline / Sticker Maker
Add white outline to cut-outs for stickers.
-
Image Placeholder Generator
Create placeholder images of any size and text.
-
Image Redaction Tool
Black out sensitive parts of screenshots.
-
Image Rename in Bulk
Rename many images with patterns and download as ZIP.
-
Image Resizer
Resize by pixels or percentage, keeping aspect ratio.
-
Image Rotator
Rotate images 90/180 degrees or any angle.
-
Image Shadow Generator
Add drop shadow to transparent PNGs.
-
Image Sharpener
Sharpen blurry photos with an unsharp mask.
-
Image Size Checker
See width, height, file size and DPI.
-
Image Splitter (Grid)
Split one image into 2x2, 3x3 tiles.
-
Image Straightener
Rotate slightly to level horizons.
-
Image to ASCII Art
Convert pictures into ASCII text art.
-
Image to Base64
Encode images as Base64 data URLs.
-
Image to Pixel Art
Turn photos into pixel art with a palette.
-
Image to SVG (Vectorizer)
Trace bitmap images to SVG vectors.
-
Image to Text (OCR)
Extract text from images in 100+ languages.
-
Image Upscaler (2x/4x)
Upscale low-res images with an in-browser AI model.
-
Image Vignette Effect
Add a dark/light vignette to photos.
-
Image Watermark Adder
Add text or logo watermark in bulk.
-
Images to PDF (Any Format)
Combine mixed image types into a PDF.
-
Images to Video (Slideshow)
Make a slideshow video from photos.
-
Inch to Centimeter
Length converter: Inch to Centimeter with formula and conversion table.
-
Inch to Foot
Length converter: Inch to Foot with formula and conversion table.
-
Inch to Millimeter
Length converter: Inch to Millimeter with formula and conversion table.
-
Inequality Solver
Inequality Solver with step-by-step working.
-
Inflation Calculator
Inflation Calculator with charts and breakdown.
-
Influencer Engagement Rate Calculator
Influencer Engagement Rate Calculator for campaign planning and reporting.
-
Insert Blank Pages
Add blank pages anywhere.
-
Instagram Bio Generator (Templates)
Instagram Bio Generator (Templates) — create, preview and export locally.
-
Instagram Caption Formatter
Instagram Caption Formatter — create, preview and export locally.
-
Instagram Fonts Generator
All fancy fonts styled for Instagram bios.
-
Instagram Grid Splitter
Split a big image into a 3-column Instagram grid.
-
Instagram Portrait (4:5) Resizer
Crop and resize any image to the exact Instagram Portrait (4:5) size.
-
Instagram Post (1:1) Resizer
Crop and resize any image to the exact Instagram Post (1:1) size.
-
Instagram Post Preview
Instagram Post Preview — create, preview and export locally.
-
Instagram Story / Reel Resizer
Crop and resize any image to the exact Instagram Story / Reel size.
-
Integral Calculator
Integral Calculator with step-by-step working.
-
Interest Rate Calculator
Interest Rate Calculator with charts and breakdown.
-
Internal Link Extractor (from HTML)
Internal Link Extractor (from HTML) — no API, works on pasted data.
-
Inventory Reorder Point Calculator
Inventory Reorder Point Calculator — fill a form, preview and download PDF/PNG.
-
iNVERSE cASE Converter
Swap upper and lower case.
-
Invert Image Colors
Create a negative of any image.
-
Invisible Character Generator
Copy blank/zero-width characters.
-
Invoice Generator
Invoice Generator — fill a form, preview and download PDF/PNG.
-
IP Range to CIDR
Convert ranges into CIDR list.
-
IP Subnet Calculator
Network, broadcast, host range, mask.
-
IP to Decimal / Binary / Hex
Convert IP address formats.
-
IPS / UPS Backup Time Calculator
IPS / UPS Backup Time Calculator with formula shown.
-
IPv6 Expand / Compress
Full and short IPv6 forms.
-
IPv6 Subnet Calculator
IPv6 prefix calculations.
-
IRR Calculator
IRR Calculator with charts and breakdown.
-
ISBN Barcode Generator
ISBN Barcode Generator — download PNG/SVG, no limits.
-
ISBN Validator & Converter
Validate ISBN-10/13 and convert.
-
ISO 8601 Date Formatter
Format dates in ISO/RFC formats.
-
Isometric Paper Maker
Customize and print or download isometric paper as PDF.
-
Italic Text Generator
Turn normal text into italic Unicode text you can paste anywhere.
-
ItemList (Listicle) Schema Generator
ItemList (Listicle) Schema Generator — no API, works on pasted data.
-
ITF-14 Barcode Generator
ITF-14 Barcode Generator — download PNG/SVG, no limits.
J
-
JavaScript Deobfuscator / Unminifier
Make minified JS readable.
-
JavaScript Formatter
Beautify and indent JavaScript code with configurable style.
-
JavaScript Minifier
Minify JavaScript to reduce file size.
-
JavaScript Obfuscator
Obfuscate JS code.
-
JavaScript Playground
Run JS snippets with console output.
-
JavaScript Validator
Check JavaScript for syntax errors and show the exact line.
-
JobPosting Schema Generator
JobPosting Schema Generator — no API, works on pasted data.
-
Joule to Calorie
Energy converter: Joule to Calorie with formula and conversion table.
-
JPG to AVIF Converter
Convert JPG images to AVIF format, single or batch, without uploading.
-
JPG to BMP Converter
Convert JPG images to BMP format, single or batch, without uploading.
-
JPG to GIF Converter
Convert JPG images to GIF format, single or batch, without uploading.
-
JPG to ICO Converter
Convert JPG images to ICO format, single or batch, without uploading.
-
JPG to PDF
Turn photos into a single PDF.
-
JPG to PDF Converter
Convert JPG images to PDF format, single or batch, without uploading.
-
JPG to PNG Converter
Convert JPG images to PNG format, single or batch, without uploading.
-
JPG to TIFF Converter
Convert JPG images to TIFF format, single or batch, without uploading.
-
JPG to WebP Converter
Convert JPG images to WebP format, single or batch, without uploading.
-
JQ Playground
Run jq filters on JSON.
-
JSON Diff
Compare two JSON documents structurally.
-
JSON Editor
Edit JSON in tree/code mode.
-
JSON Escape / Unescape
Escape strings for JSON.
-
JSON Flattener
Flatten nested JSON into dot keys.
-
JSON Formatter
Beautify and indent JSON code with configurable style.
-
JSON Minifier
Minify JSON to reduce file size.
-
JSON Path Tester
Query JSON with JSONPath.
-
JSON Schema Generator
Infer a schema from JSON.
-
JSON Schema Validator
Check JSON Schema for syntax errors and show the exact line.
-
JSON Sorter
Sort JSON keys alphabetically.
-
JSON to .env
Convert JSON into .env.
-
JSON to C# Class
Generate a C# Class from sample JSON automatically.
-
JSON to CSV
Convert JSON data into CSV format, with preview and download.
-
JSON to Dart Class
Generate a Dart Class from sample JSON automatically.
-
JSON to Excel (XLSX)
Convert JSON data into Excel (XLSX) format, with preview and download.
-
JSON to Go Struct
Generate a Go Struct from sample JSON automatically.
-
JSON to HTML Table
Convert JSON data into HTML Table format, with preview and download.
-
JSON to Java Class
Generate a Java Class from sample JSON automatically.
-
JSON to JSON Schema
Generate a JSON Schema from sample JSON automatically.
-
JSON to Kotlin Data Class
Generate a Kotlin Data Class from sample JSON automatically.
-
JSON to Markdown Table
Convert JSON data into Markdown Table format, with preview and download.
-
JSON to PHP Class
Generate a PHP Class from sample JSON automatically.
-
JSON to Pydantic Model
Generate a Pydantic Model from sample JSON automatically.
-
JSON to Python Dataclass
Generate a Python Dataclass from sample JSON automatically.
-
JSON to Query String
Convert JSON into Query String.
-
JSON to Rust Struct
Generate a Rust Struct from sample JSON automatically.
-
JSON to SQL CREATE TABLE
Generate a SQL CREATE TABLE from sample JSON automatically.
-
JSON to SQL INSERT
Convert JSON data into SQL INSERT format, with preview and download.
-
JSON to Swift Struct
Generate a Swift Struct from sample JSON automatically.
-
JSON to TOML
Convert JSON into TOML.
-
JSON to TypeScript Interface
Generate a TypeScript Interface from sample JSON automatically.
-
JSON to XML
Convert JSON data into XML format, with preview and download.
-
JSON to YAML
Convert JSON data into YAML format, with preview and download.
-
JSON to Zod Schema
Generate a Zod Schema from sample JSON automatically.
-
JSON Unflattener
Rebuild nested JSON from dot keys.
-
JSON Validator
Check JSON for syntax errors and show the exact line.
-
JSON Viewer (Tree)
Explore JSON as a collapsible tree.
-
JSON-LD Schema Generator (All Types)
JSON-LD Schema Generator (All Types) — no API, works on pasted data.
-
JSX to JavaScript (Babel)
Transpile JSX/modern JS.
-
Julian Date Converter
Julian Date Converter — runs entirely offline.
-
JWT Decoder
Decode JWT header and payload.
-
JWT Generator (HS256)
Sign test JWTs with a secret.
-
JWT Verifier
Verify JWT signatures with a key.
K
-
Kaleidoscope Drawing Tool
Kaleidoscope Drawing Tool — printable or interactive, no login.
-
Kanban Board (Local)
Kanban Board (Local) — data stays on your device.
-
Kani to Acre
Bangladeshi Land converter: Kani to Acre with formula and conversion table.
-
Kani to Bigha
Bangladeshi Land converter: Kani to Bigha with formula and conversion table.
-
Kani to Katha
Bangladeshi Land converter: Kani to Katha with formula and conversion table.
-
Kani to Shotangsho (Decimal)
Bangladeshi Land converter: Kani to Shotangsho (Decimal) with formula and conversion table.
-
Kani to Square Foot
Bangladeshi Land converter: Kani to Square Foot with formula and conversion table.
-
Kani to Square Meter
Bangladeshi Land converter: Kani to Square Meter with formula and conversion table.
-
Kaomoji Collection
Copy Japanese emoticons.
-
Katha to Acre
Bangladeshi Land converter: Katha to Acre with formula and conversion table.
-
Katha to Bigha
Bangladeshi Land converter: Katha to Bigha with formula and conversion table.
-
Katha to Kani
Bangladeshi Land converter: Katha to Kani with formula and conversion table.
-
Katha to Shotangsho (Decimal)
Bangladeshi Land converter: Katha to Shotangsho (Decimal) with formula and conversion table.
-
Katha to Square Foot
Bangladeshi Land converter: Katha to Square Foot with formula and conversion table.
-
Katha to Square Meter
Bangladeshi Land converter: Katha to Square Meter with formula and conversion table.
-
kebab-case Converter
Convert to kebab-case.
-
Kelvin to Celsius
Temperature converter: Kelvin to Celsius with formula and conversion table.
-
Kelvin to Fahrenheit
Temperature converter: Kelvin to Fahrenheit with formula and conversion table.
-
Kelvin to Rankine
Temperature converter: Kelvin to Rankine with formula and conversion table.
-
Keyboard Tester
Test every key on your keyboard.
-
Keycode Finder
Press a key to see key/code/which.
-
Keyword Combiner / Mixer
Keyword Combiner / Mixer — no API, works on pasted data.
-
Keyword Density Analyzer (Paste URL HTML)
Keyword Density Analyzer (Paste URL HTML) — no API, works on pasted data.
-
Keyword Density Checker
Find most frequent words and phrases.
-
Keyword Grouper (N-gram Clustering)
Keyword Grouper (N-gram Clustering) — no API, works on pasted data.
-
Keyword List Cleaner & Deduper
Keyword List Cleaner & Deduper — no API, works on pasted data.
-
Keyword Match Type Converter (Google Ads)
Keyword Match Type Converter (Google Ads) — no API, works on pasted data.
-
Kilobyte to Megabyte
Data Storage converter: Kilobyte to Megabyte with formula and conversion table.
-
Kilocalorie to Kilojoule
Energy converter: Kilocalorie to Kilojoule with formula and conversion table.
-
Kilogram to Chotak
Bangladeshi Weight converter: Kilogram to Chotak with formula and conversion table.
-
Kilogram to Gram
Bangladeshi Weight converter: Kilogram to Gram with formula and conversion table.
-
Kilogram to Mon (Maund)
Bangladeshi Weight converter: Kilogram to Mon (Maund) with formula and conversion table.
-
Kilogram to Pound
Weight converter: Kilogram to Pound with formula and conversion table.
-
Kilogram to Seer
Bangladeshi Weight converter: Kilogram to Seer with formula and conversion table.
-
Kilogram to Stone
Weight converter: Kilogram to Stone with formula and conversion table.
-
Kilojoule to Kilocalorie
Energy converter: Kilojoule to Kilocalorie with formula and conversion table.
-
Kilometer to Mile
Length converter: Kilometer to Mile with formula and conversion table.
-
Kilowatt to Horsepower
Power converter: Kilowatt to Horsepower with formula and conversion table.
-
Kinetic Energy Calculator
Kinetic Energy Calculator with formula shown.
-
Kite Area Calculator
Find the area of a kite with steps.
-
Km per Hour to Knot
Speed converter: Km per Hour to Knot with formula and conversion table.
-
Km per Hour to Miles per Hour
Speed converter: Km per Hour to Miles per Hour with formula and conversion table.
-
Km per Liter to MPG (US)
Fuel Economy converter: Km per Liter to MPG (US) with formula and conversion table.
-
KML to GeoJSON
Convert KML into GeoJSON.
-
Knot to Km per Hour
Speed converter: Knot to Km per Hour with formula and conversion table.
L
-
Land Measurement Calculator (BD)
Measure land area from sides in feet/hat.
-
Language Detector
Detect the language of text.
-
LaTeX to Image
Render LaTeX as PNG/SVG.
-
Law of Cosines Calculator
Law of Cosines Calculator with step-by-step working.
-
Law of Sines Calculator
Law of Sines Calculator with step-by-step working.
-
Layered Waves Generator
Layered Waves Generator with live preview and copy-ready code.
-
LCM Calculator
LCM Calculator with step-by-step working.
-
Lead Funnel Calculator
Lead Funnel Calculator for campaign planning and reporting.
-
Lean Body Mass Calculator
Lean Body Mass Calculator with clear results and explanation.
-
Leap Year Checker
Leap Year Checker — runs entirely offline.
-
LED Resistor Calculator
LED Resistor Calculator with formula shown.
-
Length Converter (All Units)
Convert between all length units instantly with a live table.
-
LESS to CSS
Compile LESS to CSS.
-
Letterhead Maker
Letterhead Maker — fill a form, preview and download PDF/PNG.
-
LICENSE Generator
Pick and fill open-source licenses.
-
Life in Weeks Visualizer
Life in Weeks Visualizer — lightweight, fun, and shareable.
-
Limit Calculator
Limit Calculator with step-by-step working.
-
Line Break Generator for Instagram
Keep line breaks in captions/bios.
-
Line Counter
Count lines in text.
-
Line Ending Converter (CRLF/LF)
Convert Windows/Unix line endings.
-
Line Equation from Two Points
Line Equation from Two Points with step-by-step working.
-
Line Graph Maker
Line Graph Maker for pasted data.
-
Linear Equation Solver
Linear Equation Solver with step-by-step working.
-
Linear Regression Calculator
Linear Regression Calculator for pasted data.
-
Lined Paper Maker
Customize and print or download lined paper as PDF.
-
Link in Bio Page Builder (Static)
Link in Bio Page Builder (Static) — create, preview and export locally.
-
LinkedIn Banner Resizer
Crop and resize any image to the exact LinkedIn Banner size.
-
LinkedIn Bold/Italic Text Formatter
Bold and italic text for LinkedIn posts.
-
LinkedIn Character Counter
LinkedIn Character Counter — create, preview and export locally.
-
LinkedIn Company Cover Resizer
Crop and resize any image to the exact LinkedIn Company Cover size.
-
LinkedIn Post Formatter
LinkedIn Post Formatter — create, preview and export locally.
-
LinkedIn Post Resizer
Crop and resize any image to the exact LinkedIn Post size.
-
List Comparer
Find common and unique items in two lists.
-
Liter to Gallon
Volume converter: Liter to Gallon with formula and conversion table.
-
Liters per 100 km to MPG (US)
Fuel Economy converter: Liters per 100 km to MPG (US) with formula and conversion table.
-
Loan Amortization Schedule
Loan Amortization Schedule with charts and breakdown.
-
Loan Comparison Calculator
Loan Comparison Calculator with charts and breakdown.
-
Loan EMI Calculator
Loan EMI Calculator with charts and breakdown.
-
Local SEO Citation Tracker (Spreadsheet)
Local SEO Citation Tracker (Spreadsheet) — no API, works on pasted data.
-
LocalBusiness Schema Generator
LocalBusiness Schema Generator — no API, works on pasted data.
-
Logarithm Calculator
Logarithm Calculator with step-by-step working.
-
Long Division Calculator (Steps)
Long Division Calculator (Steps) with step-by-step working.
-
Long Multiplication (Steps)
Long Multiplication (Steps) with step-by-step working.
-
Long-tail Keyword Permutation Generator
Long-tail Keyword Permutation Generator — no API, works on pasted data.
-
Loop Video
Repeat a video N times.
-
Lorem Ipsum Generator
Generate placeholder paragraphs, words, lists.
-
Lorem Ipsum HTML Generator
Lorem Ipsum HTML Generator with live preview and copy-ready code.
-
Lottery Number Generator
Lottery Number Generator — fair, instant and unlimited.
-
Love Calculator
Love Calculator — lightweight, fun, and shareable.
-
Lowercase Converter
Convert text to lowercase.
-
Loyalty Card Maker
Loyalty Card Maker — fill a form, preview and download PDF/PNG.
-
LRC Lyrics Timing Editor
Create timed LRC files while playing audio.
-
LSI / Related Terms Extractor (from Text)
LSI / Related Terms Extractor (from Text) — no API, works on pasted data.
-
LTV:CAC Ratio Calculator
LTV:CAC Ratio Calculator for campaign planning and reporting.
-
Luhn Checksum Validator
Validate Luhn check digits.
-
Lumpsum Investment Calculator
Lumpsum Investment Calculator with charts and breakdown.
M
-
M4A to AAC Converter
Convert M4A audio files to AAC with bitrate options.
-
M4A to MP3 Converter
Convert M4A audio files to MP3 with bitrate options.
-
M4A to OGG Converter
Convert M4A audio files to OGG with bitrate options.
-
M4A to WAV Converter
Convert M4A audio files to WAV with bitrate options.
-
MAC Address Formatter
Format MAC with colons/dashes/dots.
-
Macro Calculator
Macro Calculator with clear results and explanation.
-
Magic 8 Ball
Magic 8 Ball — lightweight, fun, and shareable.
-
Mailto Link Generator
Mailto Link Generator with live preview and copy-ready code.
-
Mandala Generator
Mandala Generator — printable or interactive, no login.
-
Margin of Error Calculator
Margin of Error Calculator for pasted data.
-
Markdown Editor
Write Markdown with live preview.
-
Markdown Formatter
Beautify and indent Markdown code with configurable style.
-
Markdown Table Generator
Build Markdown tables visually.
-
Markdown to HTML
Render Markdown into HTML.
-
Markdown to PDF
Render Markdown and save as PDF.
-
Markdown to Word (DOCX)
Create a DOCX from Markdown.
-
Marketing ROI Calculator
Marketing ROI Calculator for campaign planning and reporting.
-
Markup Calculator
Markup Calculator with charts and breakdown.
-
Matching Worksheet Maker
Matching Worksheet Maker — printable or interactive, no login.
-
Math Drill Practice
Math Drill Practice — printable or interactive, no login.
-
Math LaTeX Editor
Write LaTeX equations and export images.
-
Matrix Calculator
Matrix Calculator with step-by-step working.
-
Matrix Determinant Calculator
Matrix Determinant Calculator with step-by-step working.
-
Matrix Inverse Calculator
Matrix Inverse Calculator with step-by-step working.
-
Matrix Multiplication Calculator
Matrix Multiplication Calculator with step-by-step working.
-
Maze Generator
Maze Generator — printable or interactive, no login.
-
MB/s to Mbps
Data Transfer Rate converter: MB/s to Mbps with formula and conversion table.
-
Mbps to MB/s
Data Transfer Rate converter: Mbps to MB/s with formula and conversion table.
-
MD5 Hash Generator
Generate a MD5 hash from text instantly.
-
Meal Calorie Counter (Local Food List)
Meal Calorie Counter (Local Food List) with clear results and explanation.
-
Meal Planner Maker
Customize and print or download meal planner as PDF.
-
Mean Median Mode Calculator
Mean Median Mode Calculator for pasted data.
-
Meeting Cost Calculator
Meeting Cost Calculator — fill a form, preview and download PDF/PNG.
-
Meeting Notes Template
Meeting Notes Template — data stays on your device.
-
Meeting Planner (Multiple Time Zones)
Meeting Planner (Multiple Time Zones) — runs entirely offline.
-
Megabyte to Gigabyte
Data Storage converter: Megabyte to Gigabyte with formula and conversion table.
-
Megabyte to Kilobyte
Data Storage converter: Megabyte to Kilobyte with formula and conversion table.
-
Meme Generator
Add top/bottom captions to your own images.
-
Mental Math Trainer
Mental Math Trainer — printable or interactive, no login.
-
Merge PDF
Combine multiple PDFs into one in any order.
-
Mermaid Diagram Editor
Write diagrams as code with preview.
-
Mesh Gradient Generator
Mesh Gradient Generator — copy HEX, RGB, HSL and CSS variables.
-
Meta Pixel Event Code Generator
Meta Pixel Event Code Generator for campaign planning and reporting.
-
Meta Tag Generator
Meta Tag Generator with live preview and copy-ready code.
-
Meta Title & Description Length Checker
Meta Title & Description Length Checker — no API, works on pasted data.
-
Meter to Foot
Length converter: Meter to Foot with formula and conversion table.
-
Metronome
Adjustable BPM metronome.
-
Microphone Test
Check mic with level meter and playback.
-
Midpoint Calculator
Midpoint Calculator with step-by-step working.
-
Mile to Kilometer
Length converter: Mile to Kilometer with formula and conversion table.
-
Mileage Calculator
Mileage Calculator with formula shown.
-
Miles per Hour to Km per Hour
Speed converter: Miles per Hour to Km per Hour with formula and conversion table.
-
Military Time Converter
Military Time Converter — runs entirely offline.
-
Milliliter to Cup
Volume converter: Milliliter to Cup with formula and conversion table.
-
Milliliter to Fluid Ounce
Volume converter: Milliliter to Fluid Ounce with formula and conversion table.
-
Millimeter to Inch
Length converter: Millimeter to Inch with formula and conversion table.
-
MIME Type Lookup
Find MIME type by extension.
-
Mind Map Maker
Mind Map Maker — data stays on your device.
-
Minute to Hour
Time converter: Minute to Hour with formula and conversion table.
-
Mirror (Reversed) Text Generator
Turn normal text into mirror (reversed) Unicode text you can paste anywhere.
-
Mixed Number Calculator
Mixed Number Calculator with step-by-step working.
-
Mixed Operations Worksheet Generator
Make printable mixed operations worksheets with answer keys.
-
MKV to AVI Converter
Convert MKV video to AVI entirely in the browser.
-
MKV to GIF Converter
Convert MKV video to GIF entirely in the browser.
-
MKV to MOV Converter
Convert MKV video to MOV entirely in the browser.
-
MKV to MP3 (Extract Audio)
Extract the audio track from MKV as MP3.
-
MKV to MP4 Converter
Convert MKV video to MP4 entirely in the browser.
-
MKV to WAV (Extract Audio)
Extract the audio track from MKV as WAV.
-
MKV to WebM Converter
Convert MKV video to WebM entirely in the browser.
-
Mobile Viewport Previewer
Mobile Viewport Previewer with live preview and copy-ready code.
-
Mock API Response Builder
Design sample REST responses.
-
Modulo Calculator
Modulo Calculator with step-by-step working.
-
Mojibake Fixer
Fix garbled text from wrong encodings.
-
Molar Mass Calculator
Molar Mass Calculator with formula shown.
-
Molarity Calculator
Molarity Calculator with formula shown.
-
Mon (Maund) to Chotak
Bangladeshi Weight converter: Mon (Maund) to Chotak with formula and conversion table.
-
Mon (Maund) to Gram
Bangladeshi Weight converter: Mon (Maund) to Gram with formula and conversion table.
-
Mon (Maund) to Kilogram
Bangladeshi Weight converter: Mon (Maund) to Kilogram with formula and conversion table.
-
Mon (Maund) to Seer
Bangladeshi Weight converter: Mon (Maund) to Seer with formula and conversion table.
-
Money Counting Worksheet Generator
Make printable money counting worksheets with answer keys.
-
Money Receipt Generator (Own Business)
Money Receipt Generator (Own Business) — fill a form, preview and download PDF/PNG.
-
Monitor Color Calibration
Gamma, black and white level patterns.
-
Monochromatic Palette Generator
Monochromatic Palette Generator — copy HEX, RGB, HSL and CSS variables.
-
Monospace Text Generator
Turn normal text into monospace Unicode text you can paste anywhere.
-
Monthly Calendar Maker
Customize and print or download monthly calendar as PDF.
-
Monthly Expense Tracker
Monthly Expense Tracker with charts and breakdown.
-
Moon Phase Calendar
Moon Phase Calendar — runs entirely offline.
-
Morse Code Audio Generator
Play/download Morse as audio.
-
Morse Code Light/Flash Player
Blink Morse with screen/flashlight.
-
Morse Code Translator
Text to Morse and back.
-
Mortgage Affordability Calculator
Mortgage Affordability Calculator with charts and breakdown.
-
Mouse Click Tester
Test buttons and double-click.
-
Mouse DPI Analyzer
Estimate mouse DPI.
-
Mouse Scroll Tester
Check scroll wheel.
-
MOV to AVI Converter
Convert MOV video to AVI entirely in the browser.
-
MOV to GIF Converter
Convert MOV video to GIF entirely in the browser.
-
MOV to MKV Converter
Convert MOV video to MKV entirely in the browser.
-
MOV to MP3 (Extract Audio)
Extract the audio track from MOV as MP3.
-
MOV to MP4 Converter
Convert MOV video to MP4 entirely in the browser.
-
MOV to WAV (Extract Audio)
Extract the audio track from MOV as WAV.
-
MOV to WebM Converter
Convert MOV video to WebM entirely in the browser.
-
MP3 to AAC Converter
Convert MP3 audio files to AAC with bitrate options.
-
MP3 to M4A Converter
Convert MP3 audio files to M4A with bitrate options.
-
MP3 to OGG Converter
Convert MP3 audio files to OGG with bitrate options.
-
MP3 to WAV Converter
Convert MP3 audio files to WAV with bitrate options.
-
MP4 to AVI Converter
Convert MP4 video to AVI entirely in the browser.
-
MP4 to GIF Converter
Convert MP4 video to GIF entirely in the browser.
-
MP4 to MKV Converter
Convert MP4 video to MKV entirely in the browser.
-
MP4 to MOV Converter
Convert MP4 video to MOV entirely in the browser.
-
MP4 to MP3 (Extract Audio)
Extract the audio track from MP4 as MP3.
-
MP4 to WAV (Extract Audio)
Extract the audio track from MP4 as WAV.
-
MP4 to WebM Converter
Convert MP4 video to WebM entirely in the browser.
-
MPG (US) to Km per Liter
Fuel Economy converter: MPG (US) to Km per Liter with formula and conversion table.
-
MPG (US) to Liters per 100 km
Fuel Economy converter: MPG (US) to Liters per 100 km with formula and conversion table.
-
MSI Barcode Generator
MSI Barcode Generator — download PNG/SVG, no limits.
-
Multiplication Chart
Multiplication Chart — printable or interactive, no login.
-
Multiplication Table Generator
Multiplication Table Generator with step-by-step working.
-
Multiplication Worksheet Generator
Make printable multiplication worksheets with answer keys.
-
MurmurHash3 Hash Generator
Generate a MurmurHash3 hash from text instantly.
-
Music Staff Paper Maker
Customize and print or download music staff paper as PDF.
-
Mute Video
Remove audio from a video.
N
-
N-up PDF (Pages per Sheet)
Print 2/4/9 pages per sheet.
-
Namaz Time Calculator (Offline)
Prayer times computed from location, no API.
-
Name Compatibility Game
Name Compatibility Game — lightweight, fun, and shareable.
-
Name Tracing Worksheet Maker
Name Tracing Worksheet Maker — printable or interactive, no login.
-
NanoID Generator
Short URL-safe IDs.
-
NAP Consistency Checker (Paste)
NAP Consistency Checker (Paste) — no API, works on pasted data.
-
NATO Phonetic Alphabet Converter
Spell text in Alpha-Bravo-Charlie.
-
Negative Circled Text Generator
Turn normal text into negative circled Unicode text you can paste anywhere.
-
Negative Keyword List Builder
Negative Keyword List Builder — no API, works on pasted data.
-
Net Promoter Score (NPS) Calculator
Net Promoter Score (NPS) Calculator for campaign planning and reporting.
-
Net Worth Calculator
Net Worth Calculator with charts and breakdown.
-
Network Latency Tester (to Cloudflare edge)
Ping your own site edge with fetch timing.
-
Neumorphism Generator
Neumorphism Generator with live preview and copy-ready code.
-
Nginx Config Generator
Generate server blocks.
-
Noise Texture Generator
Noise Texture Generator with live preview and copy-ready code.
-
Normal Distribution Calculator
Normal Distribution Calculator for pasted data.
-
Note Taking App (Offline)
Note Taking App (Offline) — data stays on your device.
-
NPV Calculator
NPV Calculator with charts and breakdown.
-
Nth Root Calculator
Nth Root Calculator with step-by-step working.
-
Number Line Tool
Number Line Tool — printable or interactive, no login.
-
Number Line Worksheet Generator
Make printable number line worksheets with answer keys.
-
Number Lines
Add line numbers.
-
Number to Bangla Words
Write numbers in Bangla words (taka format).
-
Number to Words (Lakh/Crore)
Write amounts in Indian/BD numbering words.
-
Number to Words Converter
Number to Words Converter with step-by-step working.
-
Number Tracing Worksheet
Number Tracing Worksheet — printable or interactive, no login.
-
Numerology Calculator
Numerology Calculator — lightweight, fun, and shareable.
O
-
OAuth PKCE Generator
Create code_verifier and challenge.
-
Octagon Area Calculator
Find the area of a octagon with steps.
-
Octal to Binary Converter
Convert octal values to binary.
-
Octal to Decimal Converter
Convert octal values to decimal.
-
Octal to Hexadecimal Converter
Convert octal values to hexadecimal.
-
Octal to Text (ASCII) Converter
Convert octal values to text (ascii).
-
ODT to Text
Extract text from OpenDocument files.
-
Office Metadata Remover
Remove author and company data from DOCX/XLSX/PPTX.
-
Offline Translator
Translate between languages with in-browser models.
-
OGG to AAC Converter
Convert OGG audio files to AAC with bitrate options.
-
OGG to M4A Converter
Convert OGG audio files to M4A with bitrate options.
-
OGG to MP3 Converter
Convert OGG audio files to MP3 with bitrate options.
-
OGG to WAV Converter
Convert OGG audio files to WAV with bitrate options.
-
Ohm's Law Calculator
Ohm's Law Calculator with formula shown.
-
OKLCH to HEX Color Converter
Convert OKLCH colors to HEX with live swatch.
-
OKLCH to RGB Color Converter
Convert OKLCH colors to RGB with live swatch.
-
One Rep Max Calculator
One Rep Max Calculator with clear results and explanation.
-
Online / Offline Status Checker
Monitor connection status.
-
Online Guitar Tuner
Tune guitar with your mic.
-
Online Notepad
Autosaving notepad in your browser.
-
Online Piano
Play piano with keyboard or mouse.
-
Online Text Editor with Export
Write and export TXT/DOCX/PDF.
-
Online Timer
Online Timer — runs entirely offline.
-
Online Whiteboard
Online Whiteboard — printable or interactive, no login.
-
Open Graph Meta Generator
Open Graph Meta Generator with live preview and copy-ready code.
-
OpenAPI / Swagger Viewer
View API docs from a spec file.
-
OPUS to AAC Converter
Convert OPUS audio files to AAC with bitrate options.
-
OPUS to M4A Converter
Convert OPUS audio files to M4A with bitrate options.
-
OPUS to MP3 Converter
Convert OPUS audio files to MP3 with bitrate options.
-
OPUS to OGG Converter
Convert OPUS audio files to OGG with bitrate options.
-
OPUS to WAV Converter
Convert OPUS audio files to WAV with bitrate options.
-
Org Chart Maker
Org Chart Maker — fill a form, preview and download PDF/PNG.
-
Organization Schema Generator
Organization Schema Generator — no API, works on pasted data.
-
OTF to TTF Font Converter
Convert OTF font files to TTF.
-
OTF to WOFF Font Converter
Convert OTF font files to WOFF.
-
OTF to WOFF2 Font Converter
Convert OTF font files to WOFF2.
-
Ounce to Gram
Weight converter: Ounce to Gram with formula and conversion table.
-
Outlier Detector
Outlier Detector for pasted data.
-
Outline / Bullet Journal
Outline / Bullet Journal — data stays on your device.
-
Overtime Pay Calculator
Overtime Pay Calculator with charts and breakdown.
-
Ovulation Calculator
Ovulation Calculator with clear results and explanation.
P
-
P-Value Calculator
P-Value Calculator for pasted data.
-
Pace Calculator (Running)
Pace Calculator (Running) with clear results and explanation.
-
package.json Generator
Create package.json from a form.
-
Packing List Generator
Packing List Generator — data stays on your device.
-
Page Speed Budget Calculator
Page Speed Budget Calculator — no API, works on pasted data.
-
Paint Calculator
Paint Calculator with formula shown.
-
Palette from Image
Palette from Image — copy HEX, RGB, HSL and CSS variables.
-
Palindrome Checker
Check if text reads the same backwards.
-
Panorama Carousel Splitter
Cut a wide image into swipeable carousel slides.
-
Parallelogram Area Calculator
Find the area of a parallelogram with steps.
-
Parallelogram Perimeter Calculator
Find the perimeter of a parallelogram with steps.
-
PascalCase Converter
Convert to PascalCase.
-
Passive Voice Detector
Highlight passive sentences.
-
Passphrase Generator (Diceware)
Memorable word-based passwords.
-
Passport Photo (Bangladesh) Resizer
Crop and resize any image to the exact Passport Photo (Bangladesh) size.
-
Passport Photo (US 2x2) Resizer
Crop and resize any image to the exact Passport Photo (US 2x2) size.
-
Passport Photo Maker
Make passport/visa photos with white background and print sheet.
-
Password Generator
Strong random passwords with custom rules.
-
Password Strength Checker
Estimate crack time.
-
Password ZIP Creator (AES)
Create AES-encrypted ZIP archives.
-
Payslip Generator
Payslip Generator — fill a form, preview and download PDF/PNG.
-
PBKDF2 Hash Generator
Generate a PBKDF2 hash from text instantly.
-
PDF Booklet Maker
Rearrange pages for booklet printing.
-
PDF Bookmark Editor
Add or edit PDF outlines.
-
PDF Inverter (Dark Mode)
Invert PDF colors for night reading.
-
PDF OCR (Make Searchable)
Add a text layer to scanned PDFs.
-
PDF Page Counter
Count pages in many PDFs at once.
-
PDF Redaction Tool
Black-box and permanently remove sensitive content.
-
PDF to Excel (Tables)
Pull table-like text into a spreadsheet.
-
PDF to HTML
Convert PDF text layer to HTML.
-
PDF to JPG
Convert each PDF page into JPG images.
-
PDF to Markdown
Extract PDF text as Markdown.
-
PDF to PNG
Convert PDF pages to PNG.
-
PDF to Text
Extract all text from a PDF.
-
PDF to WebP
Convert PDF pages to WebP.
-
PDF to Word (Text-based)
Rebuild PDF text into an editable DOCX.
-
PDF Viewer
Fast private PDF viewer.
-
PDF/File Link QR Code
PDF/File Link QR Code — download PNG/SVG, no limits.
-
PDF417 Generator
PDF417 Generator — download PNG/SVG, no limits.
-
Pentagon Area Calculator
Find the area of a pentagon with steps.
-
Percent Error Calculator
Percent Error Calculator with step-by-step working.
-
Percentage Calculator
Percentage Calculator with step-by-step working.
-
Percentage Difference Calculator
Percentage Difference Calculator with step-by-step working.
-
Percentage Increase/Decrease Calculator
Percentage Increase/Decrease Calculator with step-by-step working.
-
Percentage to CGPA Converter
Percentage to CGPA Converter — printable or interactive, no login.
-
Percentile Calculator
Percentile Calculator for pasted data.
-
Period Tracker Calendar
Period Tracker Calendar with clear results and explanation.
-
Periodic Table (Interactive)
Periodic Table (Interactive) with formula shown.
-
Permutation Calculator (nPr)
Permutation Calculator (nPr) with step-by-step working.
-
Person Schema Generator
Person Schema Generator — no API, works on pasted data.
-
Personal Loan Calculator
Personal Loan Calculator with charts and breakdown.
-
PGP Encrypt/Decrypt
Encrypt messages with PGP.
-
PGP Key Generator
Generate OpenPGP keys.
-
PGP Sign & Verify
Sign and verify messages.
-
pH Calculator
pH Calculator with formula shown.
-
Pharmacode Generator
Pharmacode Generator — download PNG/SVG, no limits.
-
Phone Call QR Code Generator
Phone Call QR Code Generator — download PNG/SVG, no limits.
-
Phone Number Formatter
Format numbers in E.164 by country.
-
Photo Booth (Webcam Filters)
Photo Booth (Webcam Filters) — lightweight, fun, and shareable.
-
Photo Filters (Instagram-style)
Apply 30+ preset photo filters.
-
Photo Location Map Viewer
Show where a photo was taken on a map from its GPS tags.
-
Photo Print Sheet Maker
Lay out multiple photos on A4/4x6 for printing.
-
Photo to Cartoon
Cartoonize photos with edge + color quantization.
-
Photo to Coloring Page
Turn photos into printable line-art coloring pages.
-
Photo to Sketch
Convert photos into pencil sketches.
-
PHP Formatter
Beautify and indent PHP code with configurable style.
-
PHP Online Runner
Run PHP code in the browser.
-
Picture in Picture Video
Overlay one video on another.
-
Pie Chart Maker
Pie Chart Maker for pasted data.
-
PIN Generator
Random secure PINs.
-
Pinterest Pin Resizer
Crop and resize any image to the exact Pinterest Pin size.
-
Pitch Shifter
Change pitch without changing speed.
-
Pixel Art Coloring Grid Maker
Pixel Art Coloring Grid Maker — printable or interactive, no login.
-
Pixel Art Editor
Pixel Art Editor — lightweight, fun, and shareable.
-
Pixel Ruler / Screen Measure
Measure pixels on screen.
-
Pixelate / Censor Image
Pixelate faces, plates or private info.
-
Place Value Worksheet Generator
Make printable place value worksheets with answer keys.
-
Playfair Cipher
Classic digraph cipher.
-
PNG Compressor (Lossy)
Quantize PNG colors to cut size up to 80%.
-
PNG to AVIF Converter
Convert PNG images to AVIF format, single or batch, without uploading.
-
PNG to BMP Converter
Convert PNG images to BMP format, single or batch, without uploading.
-
PNG to GIF Converter
Convert PNG images to GIF format, single or batch, without uploading.
-
PNG to ICO Converter
Convert PNG images to ICO format, single or batch, without uploading.
-
PNG to JPG Converter
Convert PNG images to JPG format, single or batch, without uploading.
-
PNG to PDF
Convert PNG images into a PDF.
-
PNG to PDF Converter
Convert PNG images to PDF format, single or batch, without uploading.
-
PNG to TIFF Converter
Convert PNG images to TIFF format, single or batch, without uploading.
-
PNG to WebP Converter
Convert PNG images to WebP format, single or batch, without uploading.
-
Podcast Cover Art Maker
Podcast Cover Art Maker — create, preview and export locally.
-
Poisson Distribution Calculator
Poisson Distribution Calculator for pasted data.
-
Polaroid Frame Maker
Put photos inside a polaroid frame.
-
Polynomial Calculator
Polynomial Calculator with step-by-step working.
-
Pomodoro Timer
Pomodoro Timer — runs entirely offline.
-
Port Number Reference
Common TCP/UDP ports lookup.
-
Potential Energy Calculator
Potential Energy Calculator with formula shown.
-
Pound to Kilogram
Weight converter: Pound to Kilogram with formula and conversion table.
-
Power (P=VI) Calculator
Power (P=VI) Calculator with formula shown.
-
Power Converter (All Units)
Convert between all power units instantly with a live table.
-
PowerPoint (PPTX) to Text
Extract slide text from PPTX.
-
PPTX Image Extractor
Save all images from a PPTX.
-
Pregnancy Due Date Calculator
Pregnancy Due Date Calculator with clear results and explanation.
-
Present Value Calculator
Present Value Calculator with charts and breakdown.
-
Pressure Calculator
Pressure Calculator with formula shown.
-
Pressure Converter (All Units)
Convert between all pressure units instantly with a live table.
-
Price Per Unit Calculator
Price Per Unit Calculator with charts and breakdown.
-
Price Tag Maker
Price Tag Maker — fill a form, preview and download PDF/PNG.
-
Prime Factorization Calculator
Prime Factorization Calculator with step-by-step working.
-
Prime Number Checker
Prime Number Checker with step-by-step working.
-
Prime Numbers List Generator
Prime Numbers List Generator with step-by-step working.
-
Printable Calendar Generator
Printable Calendar Generator — runs entirely offline.
-
Privacy Policy Generator
Fill a template privacy policy.
-
Probability Calculator
Probability Calculator for pasted data.
-
Product Description Template Builder
Product Description Template Builder — fill a form, preview and download PDF/PNG.
-
Product Pricing Calculator
Product Pricing Calculator — fill a form, preview and download PDF/PNG.
-
Product Schema Generator
Product Schema Generator — no API, works on pasted data.
-
Profile Picture Frame Maker
Profile Picture Frame Maker — create, preview and export locally.
-
Profit Margin Calculator
Profit Margin Calculator with charts and breakdown.
-
Proforma Invoice Generator
Proforma Invoice Generator — fill a form, preview and download PDF/PNG.
-
Projectile Motion Calculator
Projectile Motion Calculator with formula shown.
-
Proportion Solver
Proportion Solver with step-by-step working.
-
Pros and Cons List
Pros and Cons List — data stays on your device.
-
Protect PDF (Password)
Encrypt a PDF with a password.
-
Protein Intake Calculator
Protein Intake Calculator with clear results and explanation.
-
Provident Fund Calculator
Provident Fund Calculator with charts and breakdown.
-
PSI to Bar
Pressure converter: PSI to Bar with formula and conversion table.
-
PT to PX
CSS Units converter: PT to PX with formula and conversion table.
-
Punycode Converter (IDN)
Convert Unicode domains to xn--.
-
Purchase Order Generator
Purchase Order Generator — fill a form, preview and download PDF/PNG.
-
PX to EM
CSS Units converter: PX to EM with formula and conversion table.
-
PX to PT
CSS Units converter: PX to PT with formula and conversion table.
-
PX to REM
CSS Units converter: PX to REM with formula and conversion table.
-
PX to VW
CSS Units converter: PX to VW with formula and conversion table.
-
Pyramid Surface Area Calculator
Calculate the surface area of a pyramid.
-
Pyramid Volume Calculator
Calculate the volume of a pyramid.
-
Pythagorean Theorem Calculator
Pythagorean Theorem Calculator with step-by-step working.
-
Python Formatter
Beautify and indent Python code with configurable style.
-
Python Online Compiler
Run Python in the browser.
Q
-
Qibla Direction Finder
Compass bearing to Qibla.
-
QR Code Decoder (from Image)
Read a QR code from an uploaded image.
-
QR Code Generator
QR Code Generator — download PNG/SVG, no limits.
-
QR Code Reader (Image Upload)
QR Code Reader (Image Upload) — download PNG/SVG, no limits.
-
QR Code Scanner (Camera)
QR Code Scanner (Camera) — download PNG/SVG, no limits.
-
QR Code with Logo Generator
QR Code with Logo Generator — download PNG/SVG, no limits.
-
Quadratic Equation Solver
Quadratic Equation Solver with step-by-step working.
-
Quartile Calculator
Quartile Calculator for pasted data.
-
Query String Builder
Build and edit URL parameters.
-
Query String to JSON
Convert Query String into JSON.
-
Quiz Maker (Printable)
Quiz Maker (Printable) — printable or interactive, no login.
-
Quotation / Estimate Generator
Quotation / Estimate Generator — fill a form, preview and download PDF/PNG.
-
Quote Image Maker
Create shareable quote cards.
-
Quoted-Printable Encoder/Decoder
Email QP encoding.
R
-
Radian to Degree
Angle converter: Radian to Degree with formula and conversion table.
-
Rail Fence Cipher
Zig-zag transposition cipher.
-
Ramadan Sehri & Iftar Time Calculator
Compute sehri/iftar times locally.
-
Random Address Generator (Test Data)
Random Address Generator (Test Data) — fair, instant and unlimited.
-
Random Card Draw
Random Card Draw — fair, instant and unlimited.
-
Random Color Generator
Random Color Generator — copy HEX, RGB, HSL and CSS variables.
-
Random Color Palette
Random Color Palette — fair, instant and unlimited.
-
Random Date Generator
Random Date Generator — fair, instant and unlimited.
-
Random Emoji Generator
Random Emoji Generator — fair, instant and unlimited.
-
Random Fake Name Generator (Test Data)
Random Fake Name Generator (Test Data) — fair, instant and unlimited.
-
Random Group Generator
Random Group Generator — fair, instant and unlimited.
-
Random Letter Generator
Random Letter Generator — fair, instant and unlimited.
-
Random List Shuffler
Random List Shuffler — fair, instant and unlimited.
-
Random Name Picker
Random Name Picker — fair, instant and unlimited.
-
Random Number Generator
Random Number Generator — fair, instant and unlimited.
-
Random Question Generator (Icebreakers)
Random Question Generator (Icebreakers) — fair, instant and unlimited.
-
Random Quote Generator (Local)
Random Quote Generator (Local) — fair, instant and unlimited.
-
Random Sample Picker
Random Sample Picker — fair, instant and unlimited.
-
Random Seat Assigner
Random Seat Assigner — fair, instant and unlimited.
-
Random Student Picker
Random Student Picker — printable or interactive, no login.
-
Random Team Generator
Random Team Generator — fair, instant and unlimited.
-
Random Token Generator
Hex/Base64 tokens of any length.
-
Random Word Generator
Random Word Generator — fair, instant and unlimited.
-
Random Writing Prompt
Random Writing Prompt — fair, instant and unlimited.
-
Random Yes/No Generator
Random Yes/No Generator — fair, instant and unlimited.
-
Range & IQR Calculator
Range & IQR Calculator for pasted data.
-
Rankine to Celsius
Temperature converter: Rankine to Celsius with formula and conversion table.
-
Rankine to Fahrenheit
Temperature converter: Rankine to Fahrenheit with formula and conversion table.
-
Rankine to Kelvin
Temperature converter: Rankine to Kelvin with formula and conversion table.
-
Rati to Ana
Gold Weight converter: Rati to Ana with formula and conversion table.
-
Rati to Gram
Gold Weight converter: Rati to Gram with formula and conversion table.
-
Rati to Vori (Tola)
Gold Weight converter: Rati to Vori (Tola) with formula and conversion table.
-
Ratio Calculator
Ratio Calculator with step-by-step working.
-
Reaction Time Test
Measure your reaction speed.
-
Readability Score Checker
Flesch-Kincaid and other readability scores.
-
Reading List Tracker
Reading List Tracker — data stays on your device.
-
Reading Log Maker
Customize and print or download reading log as PDF.
-
Reading Time Calculator
Estimate reading and speaking time.
-
README Generator
Create a GitHub README from a form.
-
Rebar Weight Calculator
Rebar Weight Calculator with formula shown.
-
Recipe Schema Generator
Recipe Schema Generator — no API, works on pasted data.
-
Rectangle Area Calculator
Find the area of a rectangle with steps.
-
Rectangle Perimeter Calculator
Find the perimeter of a rectangle with steps.
-
Red Eye Remover
Fix red eyes in flash photos.
-
Redirect Map Builder (CSV)
Redirect Map Builder (CSV) — no API, works on pasted data.
-
Regex Explainer
Explain a regex in plain English.
-
Regex Generator from Examples
Build a regex from sample strings.
-
Regex Tester
Test regular expressions with match highlighting.
-
Regex Validator
Check Regex for syntax errors and show the exact line.
-
Regular Polygon Area Calculator
Find the area of a regular polygon with steps.
-
REM to PX
CSS Units converter: REM to PX with formula and conversion table.
-
Remove Accents (Diacritics)
Convert café to cafe.
-
Remove Duplicate Lines
Keep only unique lines.
-
Remove Emojis
Strip emojis from text.
-
Remove Empty Lines
Delete blank lines.
-
Remove Extra Spaces
Collapse multiple spaces and trim.
-
Remove HTML Tags
Strip HTML to plain text.
-
Remove Line Breaks
Join lines into a paragraph.
-
Remove Non-ASCII Characters
Keep only ASCII.
-
Remove Numbers from Text
Strip digits.
-
Remove PDF Metadata
Strip author, software and dates from a PDF.
-
Remove Punctuation
Strip punctuation marks.
-
Rent vs Buy Calculator
Rent vs Buy Calculator with charts and breakdown.
-
Reorder PDF Pages
Drag and drop to rearrange pages.
-
Resistor Color Code Calculator
Resistor Color Code Calculator with formula shown.
-
Resize PDF Pages (A4/Letter)
Change page size of PDFs.
-
Responsive Breakpoint Tester
Responsive Breakpoint Tester with live preview and copy-ready code.
-
Restaurant Menu Maker
Restaurant Menu Maker — fill a form, preview and download PDF/PNG.
-
Resume / CV Builder
Resume / CV Builder — fill a form, preview and download PDF/PNG.
-
Retention Rate Calculator
Retention Rate Calculator for campaign planning and reporting.
-
Retirement Date Calculator
Retirement Date Calculator — runs entirely offline.
-
Retirement Savings Calculator
Retirement Savings Calculator with charts and breakdown.
-
Reverse Audio
Play audio backwards.
-
Reverse Text
Reverse characters, words or lines.
-
Reverse Video
Play video backwards.
-
Review / Rating Schema Generator
Review / Rating Schema Generator — no API, works on pasted data.
-
Review Request Link & QR Generator
Review Request Link & QR Generator — no API, works on pasted data.
-
Reward Chart Maker
Customize and print or download reward chart as PDF.
-
RGB to CMYK Color Converter
Convert RGB colors to CMYK with live swatch.
-
RGB to HEX Color Converter
Convert RGB colors to HEX with live swatch.
-
RGB to HSL Color Converter
Convert RGB colors to HSL with live swatch.
-
RGB to HSV Color Converter
Convert RGB colors to HSV with live swatch.
-
RGB to OKLCH Color Converter
Convert RGB colors to OKLCH with live swatch.
-
Rhombus Area Calculator
Find the area of a rhombus with steps.
-
Rhombus Perimeter Calculator
Find the perimeter of a rhombus with steps.
-
Rich Text Editor
WYSIWYG editor with HTML export.
-
Rich Text to HTML
Paste formatted text and get HTML.
-
Right Triangle Solver
Right Triangle Solver with step-by-step working.
-
Ringtone Maker
Cut a song into a ringtone (MP3/M4R).
-
RIPEMD-160 Hash Generator
Generate a RIPEMD-160 hash from text instantly.
-
ROAS Calculator
ROAS Calculator for campaign planning and reporting.
-
Robots Meta Tag Generator
Robots Meta Tag Generator — no API, works on pasted data.
-
Robots.txt Generator
Robots.txt Generator — no API, works on pasted data.
-
Robots.txt Tester (Paste)
Robots.txt Tester (Paste) — no API, works on pasted data.
-
ROI Calculator
ROI Calculator with charts and breakdown.
-
Roman Numeral Converter
Roman Numeral Converter with step-by-step working.
-
Roof Pitch Calculator
Roof Pitch Calculator with formula shown.
-
ROT13 Encoder/Decoder
Rotate letters by 13.
-
ROT47 Encoder/Decoder
Rotate ASCII by 47.
-
Rotate PDF
Rotate all or selected pages.
-
Round Corners on Image
Give images rounded corners with transparency.
-
Round Robin Schedule Generator
Round Robin Schedule Generator — fair, instant and unlimited.
-
Rounding Calculator
Rounding Calculator with step-by-step working.
-
Rounding Worksheet Generator
Make printable rounding worksheets with answer keys.
-
RSA Encrypt/Decrypt
Encrypt text with RSA keys.
-
RSA Key Pair Generator
Generate RSA public/private keys (PEM).
-
RSS Feed Generator
Create RSS XML from a list of items.
-
RTF to HTML
Convert RTF to HTML.
-
RTF to Text
Extract text from RTF files.
S
-
Salary to Hourly Calculator
Salary to Hourly Calculator with charts and breakdown.
-
Sales Tax Calculator
Sales Tax Calculator with charts and breakdown.
-
Sample Size Calculator
Sample Size Calculator for pasted data.
-
Sanchayapatra (Savings Certificate) Profit Calculator
Sanchayapatra (Savings Certificate) Profit Calculator with charts and breakdown.
-
Sans-Serif Bold Text Generator
Turn normal text into sans-serif bold Unicode text you can paste anywhere.
-
Savings Goal Calculator
Savings Goal Calculator with charts and breakdown.
-
SBV to SRT Subtitle Converter
Convert SBV subtitle files to SRT.
-
SBV to VTT Subtitle Converter
Convert SBV subtitle files to VTT.
-
Scatter Plot Maker
Scatter Plot Maker for pasted data.
-
Schema Markup Validator (JSON-LD Syntax)
Schema Markup Validator (JSON-LD Syntax) — no API, works on pasted data.
-
Scientific Calculator
Scientific Calculator with step-by-step working.
-
Scientific Notation Converter
Scientific Notation Converter with step-by-step working.
-
Scoreboard / Scorekeeper
Scoreboard / Scorekeeper — lightweight, fun, and shareable.
-
Screen + Webcam Recorder
Record screen with face-cam bubble.
-
Screen Annotation Tool
Screen Annotation Tool — data stays on your device.
-
Screen Recorder
Record your screen with mic audio.
-
Screen Refresh Rate Test
Measure monitor Hz.
-
Screen Ruler
Measure objects on screen.
-
Screen Size (PPI) Calculator
Calculate PPI from resolution and diagonal.
-
Screen Uniformity / Backlight Bleed Test
Find backlight bleed.
-
Screenshot Beautifier
Add gradient backgrounds, shadows and frames to screenshots.
-
Screenshot to Social Card
Screenshot to Social Card — create, preview and export locally.
-
Screenshot to Text
Paste a screenshot and get text.
-
Script / Cursive Text Generator
Turn normal text into script / cursive Unicode text you can paste anywhere.
-
SCSS Formatter
Beautify and indent SCSS code with configurable style.
-
SCSS to CSS
Compile SCSS/Sass to CSS.
-
Search Operator Builder (Google Dorks for SEO)
Search Operator Builder (Google Dorks for SEO) — no API, works on pasted data.
-
Seating Chart Maker
Customize and print or download seating chart as PDF.
-
Secret Santa Generator
Secret Santa Generator — fair, instant and unlimited.
-
Secure Note (Self-Encrypting Link)
Encrypt a note into a shareable URL hash.
-
Security Headers Generator
HSTS, X-Frame-Options, etc.
-
Seer to Chotak
Bangladeshi Weight converter: Seer to Chotak with formula and conversion table.
-
Seer to Gram
Bangladeshi Weight converter: Seer to Gram with formula and conversion table.
-
Seer to Kilogram
Bangladeshi Weight converter: Seer to Kilogram with formula and conversion table.
-
Seer to Mon (Maund)
Bangladeshi Weight converter: Seer to Mon (Maund) with formula and conversion table.
-
Self-Signed Certificate Generator
Create test SSL certs.
-
Semver Calculator
Check version ranges and bumps.
-
Sentence Case Converter
Capitalize first letter of sentences.
-
Sentence Counter
Count sentences.
-
Sentiment Analyzer
Score text as positive/negative.
-
SEO Audit Checklist (Interactive)
SEO Audit Checklist (Interactive) — no API, works on pasted data.
-
Sepia Filter
Apply vintage sepia tone.
-
Series & Parallel Resistor Calculator
Series & Parallel Resistor Calculator with formula shown.
-
SERP Snippet Preview (Google)
SERP Snippet Preview (Google) — no API, works on pasted data.
-
Service Schema Generator
Service Schema Generator — no API, works on pasted data.
-
SHA-1 Hash Generator
Generate a SHA-1 hash from text instantly.
-
SHA-224 Hash Generator
Generate a SHA-224 hash from text instantly.
-
SHA-256 Hash Generator
Generate a SHA-256 hash from text instantly.
-
SHA-384 Hash Generator
Generate a SHA-384 hash from text instantly.
-
SHA-512 Hash Generator
Generate a SHA-512 hash from text instantly.
-
SHA3-256 Hash Generator
Generate a SHA3-256 hash from text instantly.
-
SHA3-512 Hash Generator
Generate a SHA3-512 hash from text instantly.
-
Shift Schedule Planner
Shift Schedule Planner — runs entirely offline.
-
Shipping Label Maker
Shipping Label Maker — fill a form, preview and download PDF/PNG.
-
Shipping Weight (Volumetric) Calculator
Shipping Weight (Volumetric) Calculator — fill a form, preview and download PDF/PNG.
-
Shopify / WooCommerce CSV Builder
Shopify / WooCommerce CSV Builder — fill a form, preview and download PDF/PNG.
-
Shopify Product Image Resizer
Crop and resize any image to the exact Shopify Product Image size.
-
Shotangsho (Decimal) to Acre
Bangladeshi Land converter: Shotangsho (Decimal) to Acre with formula and conversion table.
-
Shotangsho (Decimal) to Bigha
Bangladeshi Land converter: Shotangsho (Decimal) to Bigha with formula and conversion table.
-
Shotangsho (Decimal) to Kani
Bangladeshi Land converter: Shotangsho (Decimal) to Kani with formula and conversion table.
-
Shotangsho (Decimal) to Katha
Bangladeshi Land converter: Shotangsho (Decimal) to Katha with formula and conversion table.
-
Shotangsho (Decimal) to Square Foot
Bangladeshi Land converter: Shotangsho (Decimal) to Square Foot with formula and conversion table.
-
Shotangsho (Decimal) to Square Meter
Bangladeshi Land converter: Shotangsho (Decimal) to Square Meter with formula and conversion table.
-
Shuffle Lines
Randomize line order.
-
Sign PDF
Draw, type or upload a signature and place it.
-
Signature Background Remover
Clean a scanned signature into a transparent PNG.
-
Signature Maker (Draw/Type)
Signature Maker (Draw/Type) — data stays on your device.
-
Significant Figures Calculator
Significant Figures Calculator with step-by-step working.
-
Silence Remover
Cut silent parts from recordings.
-
Simple Interest Calculator
Simple Interest Calculator with charts and breakdown.
-
SIP Calculator
SIP Calculator with charts and breakdown.
-
Sitemap XML Generator (from URL list)
Paste URLs and get sitemap.xml.
-
Skip Counting Worksheet Generator
Make printable skip counting worksheets with answer keys.
-
Sleep Cycle Calculator
Sleep Cycle Calculator with clear results and explanation.
-
Slope Calculator
Slope Calculator with step-by-step working.
-
Small Caps Text Generator
Turn normal text into small caps Unicode text you can paste anywhere.
-
SMS QR Code Generator
SMS QR Code Generator — download PNG/SVG, no limits.
-
snake_case Converter
Convert to snake_case.
-
Social Media Image Size Guide
Social Media Image Size Guide — create, preview and export locally.
-
Social Media Post Scheduler Calendar (Local)
Social Media Post Scheduler Calendar (Local) — create, preview and export locally.
-
Social Share Buttons Generator
Social Share Buttons Generator with live preview and copy-ready code.
-
SoftwareApplication Schema Generator
SoftwareApplication Schema Generator — no API, works on pasted data.
-
Solar Panel Size Calculator
Solar Panel Size Calculator with formula shown.
-
Sort Lines Alphabetically
Sort A-Z, Z-A, by length, natural.
-
Sound Level Meter (dB)
Measure approximate loudness with mic.
-
Spacing Scale Generator
Spacing Scale Generator with live preview and copy-ready code.
-
Speaker Test (Left/Right)
Test stereo channels.
-
Speech to Text (Dictation)
Type with your voice.
-
Speed Converter (All Units)
Convert between all speed units instantly with a live table.
-
Speed Distance Time Calculator
Speed Distance Time Calculator with formula shown.
-
Spell Checker
Check spelling offline.
-
Spelling Bee Practice (TTS)
Spelling Bee Practice (TTS) — printable or interactive, no login.
-
Spelling Test Maker
Spelling Test Maker — printable or interactive, no login.
-
SPF Record Generator
Build SPF TXT records.
-
Sphere Surface Area Calculator
Calculate the surface area of a sphere.
-
Sphere Volume Calculator
Calculate the volume of a sphere.
-
Spin the Wheel (Picker Wheel)
Spin the Wheel (Picker Wheel) — fair, instant and unlimited.
-
Split PDF
Split a PDF by ranges or every page.
-
Split Screen Video
Place two videos side by side.
-
Sprite Sheet Generator
Pack images into a CSS sprite sheet.
-
Sprite Sheet Slicer
Cut a sprite sheet into individual images.
-
SQL Escape Tool
Escape SQL strings.
-
SQL Formatter
Beautify and indent SQL code with configurable style.
-
SQL Minifier
Minify SQL to reduce file size.
-
SQL Playground (SQLite)
Run SQL queries on an in-browser database.
-
SQL to JSON
Convert SQL into JSON.
-
Square Area Calculator
Find the area of a square with steps.
-
Square Foot to Acre
Area converter: Square Foot to Acre with formula and conversion table.
-
Square Foot to Bigha
Bangladeshi Land converter: Square Foot to Bigha with formula and conversion table.
-
Square Foot to Kani
Bangladeshi Land converter: Square Foot to Kani with formula and conversion table.
-
Square Foot to Katha
Bangladeshi Land converter: Square Foot to Katha with formula and conversion table.
-
Square Foot to Shotangsho (Decimal)
Bangladeshi Land converter: Square Foot to Shotangsho (Decimal) with formula and conversion table.
-
Square Foot to Square Meter
Area converter: Square Foot to Square Meter with formula and conversion table.
-
Square Meter to Acre
Bangladeshi Land converter: Square Meter to Acre with formula and conversion table.
-
Square Meter to Bigha
Bangladeshi Land converter: Square Meter to Bigha with formula and conversion table.
-
Square Meter to Kani
Bangladeshi Land converter: Square Meter to Kani with formula and conversion table.
-
Square Meter to Katha
Bangladeshi Land converter: Square Meter to Katha with formula and conversion table.
-
Square Meter to Shotangsho (Decimal)
Bangladeshi Land converter: Square Meter to Shotangsho (Decimal) with formula and conversion table.
-
Square Meter to Square Foot
Area converter: Square Meter to Square Foot with formula and conversion table.
-
Square Perimeter Calculator
Find the perimeter of a square with steps.
-
Square Root Calculator
Square Root Calculator with step-by-step working.
-
Squared Text Generator
Turn normal text into squared Unicode text you can paste anywhere.
-
SRT to ASS Subtitle Converter
Convert SRT subtitle files to ASS.
-
SRT to SBV Subtitle Converter
Convert SRT subtitle files to SBV.
-
SRT to SUB Subtitle Converter
Convert SRT subtitle files to SUB.
-
SRT to TTML Subtitle Converter
Convert SRT subtitle files to TTML.
-
SRT to VTT Subtitle Converter
Convert SRT subtitle files to VTT.
-
SSC/HSC GPA Calculator (BD)
SSC/HSC GPA Calculator (BD) — printable or interactive, no login.
-
SSH Key Generator
Create OpenSSH key pairs.
-
SSL Certificate Decoder
Decode PEM certificates.
-
Stair Calculator
Stair Calculator with formula shown.
-
Standard Deviation Calculator
Standard Deviation Calculator for pasted data.
-
Steel Weight Calculator
Steel Weight Calculator with formula shown.
-
Steganography: Hide Text in Image
Hide a secret message inside an image.
-
Steganography: Reveal Text from Image
Extract hidden messages.
-
Steps to Km Converter
Steps to Km Converter with clear results and explanation.
-
Sticky Notes Board
Sticky Notes Board — data stays on your device.
-
Stock Profit Calculator
Stock Profit Calculator with charts and breakdown.
-
Stone to Kilogram
Weight converter: Stone to Kilogram with formula and conversion table.
-
Stopwatch
Stopwatch — runs entirely offline.
-
Storage Quota Checker
See browser storage usage and quota.
-
Story Template Maker
Story Template Maker — create, preview and export locally.
-
Storyboard Template Maker
Customize and print or download storyboard template as PDF.
-
Strikethrough Text Generator
Turn normal text into strikethrough Unicode text you can paste anywhere.
-
String Escape Tool (JS/Java/C#)
Escape strings for code.
-
Study Timetable Maker
Study Timetable Maker — printable or interactive, no login.
-
SUB to SRT Subtitle Converter
Convert SUB subtitle files to SRT.
-
SUB to VTT Subtitle Converter
Convert SUB subtitle files to VTT.
-
Subnet Mask Cheat Sheet
All masks with host counts.
-
Subscript Text Generator
Turn normal text into subscript Unicode text you can paste anywhere.
-
Subtitle Generator (Auto Captions)
Transcribe video audio to SRT in the browser.
-
Subtitle Merger
Merge two subtitle files.
-
Subtitle Time Shifter
Shift subtitle timing forward/back.
-
Subtitle to Text
Extract plain text from subtitles.
-
Subtraction Worksheet Generator
Make printable subtraction worksheets with answer keys.
-
Sudoku Generator
Sudoku Generator — printable or interactive, no login.
-
Sudoku Solver
Sudoku Solver — printable or interactive, no login.
-
Sunrise & Sunset Calculator
Sunrise & Sunset Calculator — runs entirely offline.
-
Superscript Text Generator
Turn normal text into superscript Unicode text you can paste anywhere.
-
SVG Blob Generator
SVG Blob Generator with live preview and copy-ready code.
-
SVG Editor
Edit SVG code with live preview.
-
SVG Minifier
Minify SVG to reduce file size.
-
SVG Optimizer
Clean and shrink SVG files.
-
SVG Pattern Generator
SVG Pattern Generator with live preview and copy-ready code.
-
SVG Shape Divider Generator
SVG Shape Divider Generator with live preview and copy-ready code.
-
SVG to Data URI
Encode SVG for CSS backgrounds.
-
SVG to JPG Converter
Convert SVG images to JPG format, single or batch, without uploading.
-
SVG to JSX / React Component
Turn SVG into a React component.
-
SVG to PDF Converter
Convert SVG images to PDF format, single or batch, without uploading.
-
SVG to PNG Converter
Convert SVG images to PNG format, single or batch, without uploading.
-
SVG to WebP Converter
Convert SVG images to WebP format, single or batch, without uploading.
-
SVG Wave Generator
SVG Wave Generator with live preview and copy-ready code.
-
SWOT Analysis Template
SWOT Analysis Template — fill a form, preview and download PDF/PNG.
-
Syllable Counter
Count syllables in words.
-
Symbols & Special Characters
Copy ✓ ★ ♥ → and more.
-
Symmetry Drawing Tool
Symmetry Drawing Tool — printable or interactive, no login.
-
Syntax Highlighter (HTML export)
Highlight code and copy HTML.
-
System of Equations Solver
System of Equations Solver with step-by-step working.
T
-
T-Test Calculator
T-Test Calculator for pasted data.
-
Tab to Spaces Converter
Convert tabs to spaces and back.
-
Table Image to Excel
OCR a table image into CSV/XLSX.
-
Table of Contents Generator
Table of Contents Generator — no API, works on pasted data.
-
Tablespoon to Teaspoon
Cooking converter: Tablespoon to Teaspoon with formula and conversion table.
-
Tailwind Color Palette Generator
Tailwind Color Palette Generator — copy HEX, RGB, HSL and CSS variables.
-
Taka Amount in Words (Cheque Writer)
Write amounts for cheques in English and Bangla.
-
Take-Home Salary Calculator
Take-Home Salary Calculator with charts and breakdown.
-
TDEE Calculator
TDEE Calculator with clear results and explanation.
-
Teaspoon to Tablespoon
Cooking converter: Teaspoon to Tablespoon with formula and conversion table.
-
Telegram Channel Photo Resizer
Crop and resize any image to the exact Telegram Channel Photo size.
-
Telegram Link Generator
Telegram Link Generator — create, preview and export locally.
-
Teleprompter
Scrolling script reader with speed control.
-
Telling Time Worksheet Generator
Make printable telling time worksheets with answer keys.
-
Temperature Converter (All Units)
Convert between all temperature units instantly with a live table.
-
Terabyte to Gigabyte
Data Storage converter: Terabyte to Gigabyte with formula and conversion table.
-
Terms & Conditions Generator
Fill a template T&C page.
-
Text (ASCII) to Binary Converter
Convert text (ascii) values to binary.
-
Text (ASCII) to Decimal Converter
Convert text (ascii) values to decimal.
-
Text (ASCII) to Hexadecimal Converter
Convert text (ascii) values to hexadecimal.
-
Text (ASCII) to Octal Converter
Convert text (ascii) values to octal.
-
Text Art Generator (FIGlet)
Big ASCII banner text.
-
Text Behind Image Effect
Place text behind the subject of a photo.
-
Text Diff Checker
Compare two texts and highlight changes.
-
Text Encoding Converter
Convert between UTF-8, UTF-16, Windows-1252.
-
Text Encryptor (Password)
Encrypt text with a password (AES-GCM).
-
Text Post (Quote Card) Maker
Text Post (Quote Card) Maker — create, preview and export locally.
-
Text Repeater
Repeat text N times with separator.
-
Text Shadow Generator
Text Shadow Generator with live preview and copy-ready code.
-
Text Splitter
Split text by delimiter or length.
-
Text Statistics Analyzer
Lexical density, avg word length and more.
-
Text Summarizer (Offline AI)
Summarize text with a small in-browser model.
-
Text to Handwriting
Render text in handwriting style for assignments.
-
Text to Hashtags
Turn words into hashtags.
-
Text to Image
Render text as an image card.
-
Text to PDF
Convert plain text into a PDF.
-
Text to Slug
Make URL-friendly slugs.
-
Text to Speech
Read text aloud and choose voices.
-
Text to Word (DOCX)
Turn plain text into DOCX.
-
Text Wrapper
Wrap text at N columns.
-
Thank-You Card Maker
Thank-You Card Maker — fill a form, preview and download PDF/PNG.
-
Thread Splitter (X/Threads)
Thread Splitter (X/Threads) — create, preview and export locally.
-
Threads Post Resizer
Crop and resize any image to the exact Threads Post size.
-
TIFF to ICO Converter
Convert TIFF images to ICO format, single or batch, without uploading.
-
TIFF to JPG Converter
Convert TIFF images to JPG format, single or batch, without uploading.
-
TIFF to PDF Converter
Convert TIFF images to PDF format, single or batch, without uploading.
-
TIFF to PNG Converter
Convert TIFF images to PNG format, single or batch, without uploading.
-
TIFF to WebP Converter
Convert TIFF images to WebP format, single or batch, without uploading.
-
TikTok Caption Counter
TikTok Caption Counter — create, preview and export locally.
-
TikTok Video Cover Resizer
Crop and resize any image to the exact TikTok Video Cover size.
-
Tile Calculator
Tile Calculator with formula shown.
-
Time Card / Timesheet Calculator
Time Card / Timesheet Calculator — runs entirely offline.
-
Time Converter (All Units)
Convert between all time units instantly with a live table.
-
Time Duration Calculator
Time Duration Calculator — runs entirely offline.
-
Time Tracker
Time Tracker — data stays on your device.
-
Time Zone Converter
Time Zone Converter — runs entirely offline.
-
Times Tables Worksheet Generator
Make printable times tables worksheets with answer keys.
-
Timezone List & Offsets
IANA time zones with current offsets.
-
Tints & Shades Generator
Tints & Shades Generator — copy HEX, RGB, HSL and CSS variables.
-
Tip Calculator
Tip Calculator with charts and breakdown.
-
Tire Size Calculator
Tire Size Calculator with formula shown.
-
Title Case Converter
Capitalize titles (AP/APA/Chicago).
-
Title Pixel Width Checker
Title Pixel Width Checker — no API, works on pasted data.
-
To-Do List (Local)
To-Do List (Local) — data stays on your device.
-
To-Do List Sheet Maker
Customize and print or download to-do list sheet as PDF.
-
TOML to JSON
Convert TOML into JSON.
-
TOML to YAML
Convert TOML into YAML.
-
TOML Validator
Check TOML for syntax errors and show the exact line.
-
Tone Generator
Generate sine/square/saw tones at any frequency.
-
Torus Volume Calculator
Calculate the volume of a torus.
-
TOTP / 2FA Code Generator
Generate 2FA codes from a secret.
-
Touch Screen Test
Test multi-touch points.
-
Tournament Bracket Generator
Tournament Bracket Generator — fair, instant and unlimited.
-
Transparent PNG Maker
Make one color transparent (chroma key).
-
Trapezoid Area Calculator
Find the area of a trapezoid with steps.
-
Trapezoid Perimeter Calculator
Find the perimeter of a trapezoid with steps.
-
Triadic Color Generator
Triadic Color Generator — copy HEX, RGB, HSL and CSS variables.
-
Triangle Area Calculator
Find the area of a triangle with steps.
-
Triangle Perimeter Calculator
Find the perimeter of a triangle with steps.
-
Triangle Solver (SSS/SAS/ASA)
Triangle Solver (SSS/SAS/ASA) with step-by-step working.
-
Triangular Prism Surface Area Calculator
Calculate the surface area of a triangular prism.
-
Triangular Prism Volume Calculator
Calculate the volume of a triangular prism.
-
Trigonometry Calculator
Trigonometry Calculator with step-by-step working.
-
Truth or Dare Generator
Truth or Dare Generator — fair, instant and unlimited.
-
TTF to OTF Font Converter
Convert TTF font files to OTF.
-
TTF to WOFF Font Converter
Convert TTF font files to WOFF.
-
TTF to WOFF2 Font Converter
Convert TTF font files to WOFF2.
-
TTML to SRT Subtitle Converter
Convert TTML subtitle files to SRT.
-
TTML to VTT Subtitle Converter
Convert TTML subtitle files to VTT.
-
Twitch Banner Resizer
Crop and resize any image to the exact Twitch Banner size.
-
Twitter Card Generator
Twitter Card Generator with live preview and copy-ready code.
-
Type Scale Generator
Type Scale Generator with live preview and copy-ready code.
-
TypeScript Formatter
Beautify and indent TypeScript code with configurable style.
-
TypeScript to JavaScript
Transpile TS to JS.
-
Typing Practice
Lessons to learn touch typing.
-
Typing Speed Test
Test WPM and accuracy.
U
-
ULID Generator
Sortable unique IDs.
-
Underline Text Generator
Turn normal text into underline Unicode text you can paste anywhere.
-
Unicode Character Lookup
Find any Unicode character by name/code.
-
Unicode Escape Encoder/Decoder
Convert to \uXXXX and back.
-
Unicode to Bijoy Converter
Convert Unicode Bangla to Bijoy (SutonnyMJ).
-
Unit Price Comparison
Unit Price Comparison with charts and breakdown.
-
Universal Color Converter (LAB/LCH/XYZ/HWB)
Universal Color Converter (LAB/LCH/XYZ/HWB) — copy HEX, RGB, HSL and CSS variables.
-
Unix Timestamp Converter
Convert epoch to date and back.
-
Unlock PDF
Remove a known password from a PDF.
-
UPC-A Barcode Generator
UPC-A Barcode Generator — download PNG/SVG, no limits.
-
UPC-E Barcode Generator
UPC-E Barcode Generator — download PNG/SVG, no limits.
-
Uppercase Converter
Convert text to UPPERCASE.
-
Upside Down Text Generator
Turn normal text into upside down Unicode text you can paste anywhere.
-
URL Decoder
Decode percent-encoded URLs.
-
URL Encoder
Percent-encode text for URLs.
-
URL Parser
Break URL into protocol, host, path, params.
-
URL QR Code Generator
URL QR Code Generator — download PNG/SVG, no limits.
-
URL Slug Generator
URL Slug Generator — no API, works on pasted data.
-
URL Tracking Parameter Remover
Remove utm/fbclid/gclid from links.
-
User Agent Parser
Parse browser/OS/device from UA string.
-
Username Generator
Username Generator — fair, instant and unlimited.
-
UTF-8 Byte Viewer
Show UTF-8 bytes of text.
-
UTM Link Builder
UTM Link Builder — no API, works on pasted data.
-
UUID v1 Generator
Timestamp-based UUID v1.
-
UUID v4 Generator
Generate random UUIDs in bulk.
-
UUID v7 Generator
Time-ordered UUID v7.
-
UUID Validator & Decoder
Check version and decode timestamp.
V
-
Variance Calculator
Variance Calculator for pasted data.
-
VAT Calculator (Add/Remove)
VAT Calculator (Add/Remove) with charts and breakdown.
-
vCard (VCF) Generator
vCard (VCF) Generator — fill a form, preview and download PDF/PNG.
-
vCard QR Code Generator
vCard QR Code Generator — download PNG/SVG, no limits.
-
vCard to CSV
Convert vCard into CSV.
-
Vector Calculator
Vector Calculator with step-by-step working.
-
Vibration Test
Test phone vibration patterns.
-
Video Aspect Ratio Changer
Convert to 9:16, 1:1, 16:9 with padding or blur.
-
Video Bitrate Calculator
Calculate file size from bitrate and duration.
-
Video Collage
Arrange multiple videos in a grid.
-
Video Compressor
Reduce video file size with CRF control.
-
Video Cropper
Crop video frame area.
-
Video Cutter (Multiple Clips)
Cut several segments out of a video.
-
Video Fade In/Out
Add fade effects to start and end.
-
Video Filters
Apply grayscale, sepia, contrast to video.
-
Video Flipper
Mirror videos horizontally/vertically.
-
Video Frame Extractor
Grab frames as JPG/PNG.
-
Video Merger
Join multiple clips into one video.
-
Video Metadata Remover
Strip location/device metadata from videos.
-
Video Metadata Viewer
See codec, bitrate, resolution and duration.
-
Video Player (Any Format)
Play local videos with speed and loop controls.
-
Video Resizer
Change video resolution (1080p, 720p, 480p).
-
Video Rotator
Rotate videos 90/180 degrees.
-
Video Schema Generator
Video Schema Generator — no API, works on pasted data.
-
Video Script Word-to-Time Estimator
Video Script Word-to-Time Estimator — create, preview and export locally.
-
Video Speed Changer
Speed up or slow down video.
-
Video Splitter (Equal Parts)
Split long videos into equal chunks (e.g., for Status).
-
Video Stabilizer (Basic)
Reduce shaky footage.
-
Video Thumbnail Grabber
Pick the perfect frame as thumbnail.
-
Video to GIF
Make high-quality GIFs from clips.
-
Video to Reels/Shorts Format
Make vertical 9:16 videos with blurred background.
-
Video Trimmer
Cut the start/end of a video.
-
Video Volume Booster
Increase video loudness.
-
Vigenère Cipher
Encrypt/decrypt with a keyword.
-
Vocabulary List Maker
Vocabulary List Maker — printable or interactive, no login.
-
Vocal Remover (Karaoke)
Reduce center-panned vocals.
-
Voice Changer
Apply robot, chipmunk, deep voice effects.
-
Voice Recorder
Record voice and download MP3/WAV.
-
Voltage Divider Calculator
Voltage Divider Calculator with formula shown.
-
Volume Converter (All Units)
Convert between all volume units instantly with a live table.
-
Vori (Tola) to Ana
Gold Weight converter: Vori (Tola) to Ana with formula and conversion table.
-
Vori (Tola) to Gram
Gold Weight converter: Vori (Tola) to Gram with formula and conversion table.
-
Vori (Tola) to Rati
Gold Weight converter: Vori (Tola) to Rati with formula and conversion table.
-
VTT to ASS Subtitle Converter
Convert VTT subtitle files to ASS.
-
VTT to SBV Subtitle Converter
Convert VTT subtitle files to SBV.
-
VTT to SRT Subtitle Converter
Convert VTT subtitle files to SRT.
-
VTT to SUB Subtitle Converter
Convert VTT subtitle files to SUB.
-
VTT to TTML Subtitle Converter
Convert VTT subtitle files to TTML.
-
VW to PX
CSS Units converter: VW to PX with formula and conversion table.
W
-
Waist-to-Hip Ratio Calculator
Waist-to-Hip Ratio Calculator with clear results and explanation.
-
Water Intake Calculator
Water Intake Calculator with clear results and explanation.
-
Water Tank Capacity Calculator
Water Tank Capacity Calculator with formula shown.
-
WAV to AAC Converter
Convert WAV audio files to AAC with bitrate options.
-
WAV to M4A Converter
Convert WAV audio files to M4A with bitrate options.
-
WAV to MP3 Converter
Convert WAV audio files to MP3 with bitrate options.
-
WAV to OGG Converter
Convert WAV audio files to OGG with bitrate options.
-
Wavelength Frequency Calculator
Wavelength Frequency Calculator with formula shown.
-
Web App Manifest Generator
Web App Manifest Generator with live preview and copy-ready code.
-
Webcam Photo Capture
Take photos with your webcam.
-
Webcam Recorder
Record webcam video.
-
Webcam Test
Check webcam and resolution.
-
WebGL Report
GPU and WebGL capabilities.
-
Webhook Payload Formatter
Pretty-print and inspect webhook JSON.
-
WebM to AVI Converter
Convert WebM video to AVI entirely in the browser.
-
WebM to GIF Converter
Convert WebM video to GIF entirely in the browser.
-
WebM to MKV Converter
Convert WebM video to MKV entirely in the browser.
-
WebM to MOV Converter
Convert WebM video to MOV entirely in the browser.
-
WebM to MP3 (Extract Audio)
Extract the audio track from WebM as MP3.
-
WebM to MP4 Converter
Convert WebM video to MP4 entirely in the browser.
-
WebM to WAV (Extract Audio)
Extract the audio track from WebM as WAV.
-
WebP to AVIF Converter
Convert WebP images to AVIF format, single or batch, without uploading.
-
WebP to BMP Converter
Convert WebP images to BMP format, single or batch, without uploading.
-
WebP to GIF Converter
Convert WebP images to GIF format, single or batch, without uploading.
-
WebP to ICO Converter
Convert WebP images to ICO format, single or batch, without uploading.
-
WebP to JPG Converter
Convert WebP images to JPG format, single or batch, without uploading.
-
WebP to PDF Converter
Convert WebP images to PDF format, single or batch, without uploading.
-
WebP to PNG Converter
Convert WebP images to PNG format, single or batch, without uploading.
-
WebP to TIFF Converter
Convert WebP images to TIFF format, single or batch, without uploading.
-
WebRTC Leak Test
Check local IP exposure via WebRTC.
-
Wedding Invitation Maker
Wedding Invitation Maker — lightweight, fun, and shareable.
-
Week Number Calculator
Week Number Calculator — runs entirely offline.
-
Weekly Planner Maker
Customize and print or download weekly planner as PDF.
-
Weekly Review Template
Weekly Review Template — data stays on your device.
-
Weight Converter (All Units)
Convert between all weight units instantly with a live table.
-
Weighted Average Calculator
Weighted Average Calculator with step-by-step working.
-
What Is My Screen Resolution
Show screen and viewport size.
-
WhatsApp Chat Widget Generator
WhatsApp Chat Widget Generator with live preview and copy-ready code.
-
WhatsApp Click-to-Chat Link Generator
WhatsApp Click-to-Chat Link Generator — create, preview and export locally.
-
WhatsApp DP Resizer
Crop and resize any image to the exact WhatsApp DP size.
-
WhatsApp Message Formatter (Bold/Italic)
WhatsApp Message Formatter (Bold/Italic) — create, preview and export locally.
-
WhatsApp QR Code Generator
WhatsApp QR Code Generator — download PNG/SVG, no limits.
-
WhatsApp Status Resizer
Crop and resize any image to the exact WhatsApp Status size.
-
White / Pink / Brown Noise Generator
Play focus and sleep noise.
-
Whitespace Visualizer
Show tabs, spaces and line endings.
-
Wholesale Price Calculator
Wholesale Price Calculator — fill a form, preview and download PDF/PNG.
-
Wide (Vaporwave) Text Generator
Turn normal text into wide (vaporwave) Unicode text you can paste anywhere.
-
WiFi QR Code Generator
WiFi QR Code Generator — download PNG/SVG, no limits.
-
Wire Gauge Calculator
Wire Gauge Calculator with formula shown.
-
WMA to AAC Converter
Convert WMA audio files to AAC with bitrate options.
-
WMA to M4A Converter
Convert WMA audio files to M4A with bitrate options.
-
WMA to MP3 Converter
Convert WMA audio files to MP3 with bitrate options.
-
WMA to OGG Converter
Convert WMA audio files to OGG with bitrate options.
-
WMA to WAV Converter
Convert WMA audio files to WAV with bitrate options.
-
WMV to AVI Converter
Convert WMV video to AVI entirely in the browser.
-
WMV to GIF Converter
Convert WMV video to GIF entirely in the browser.
-
WMV to MKV Converter
Convert WMV video to MKV entirely in the browser.
-
WMV to MOV Converter
Convert WMV video to MOV entirely in the browser.
-
WMV to MP4 Converter
Convert WMV video to MP4 entirely in the browser.
-
WMV to WebM Converter
Convert WMV video to WebM entirely in the browser.
-
WOFF to OTF Font Converter
Convert WOFF font files to OTF.
-
WOFF to TTF Font Converter
Convert WOFF font files to TTF.
-
WOFF to WOFF2 Font Converter
Convert WOFF font files to WOFF2.
-
WOFF2 to OTF Font Converter
Convert WOFF2 font files to OTF.
-
WOFF2 to TTF Font Converter
Convert WOFF2 font files to TTF.
-
WOFF2 to WOFF Font Converter
Convert WOFF2 font files to WOFF.
-
Word (DOCX) to HTML
Convert DOCX into clean HTML.
-
Word (DOCX) to Markdown
Convert DOCX into Markdown.
-
Word (DOCX) to Text
Extract plain text from DOCX.
-
Word Cloud Generator
Create word clouds from text.
-
Word Count & Content Length Checker
Word Count & Content Length Checker — no API, works on pasted data.
-
Word Counter
Count words, characters, sentences, paragraphs, reading time.
-
Word Frequency Counter
Rank words by frequency.
-
Word Problem Worksheet Generator
Make printable word problem worksheets with answer keys.
-
Word Scramble Worksheet Maker
Word Scramble Worksheet Maker — printable or interactive, no login.
-
Word Search Maker
Word Search Maker — printable or interactive, no login.
-
Word to PDF
Convert DOCX to PDF in the browser.
-
Word Unscrambler
Unscramble letters into words.
-
Work & Power Calculator
Work & Power Calculator with formula shown.
-
Workout Interval (HIIT) Timer
Workout Interval (HIIT) Timer with clear results and explanation.
-
World Clock
World Clock — runs entirely offline.
-
Would You Rather Generator
Would You Rather Generator — fair, instant and unlimited.
-
Wrangler.toml Generator
Generate Cloudflare Workers config.
X
-
X (Twitter) Character Counter
X (Twitter) Character Counter — create, preview and export locally.
-
X (Twitter) Header Resizer
Crop and resize any image to the exact X (Twitter) Header size.
-
X (Twitter) Post Resizer
Crop and resize any image to the exact X (Twitter) Post size.
-
XML Formatter
Beautify and indent XML code with configurable style.
-
XML Minifier
Minify XML to reduce file size.
-
XML Sitemap Validator (Paste)
XML Sitemap Validator (Paste) — no API, works on pasted data.
-
XML to CSV
Convert XML data into CSV format, with preview and download.
-
XML to Excel (XLSX)
Convert XML data into Excel (XLSX) format, with preview and download.
-
XML to HTML Table
Convert XML data into HTML Table format, with preview and download.
-
XML to JSON
Convert XML data into JSON format, with preview and download.
-
XML to Markdown Table
Convert XML data into Markdown Table format, with preview and download.
-
XML to SQL INSERT
Convert XML data into SQL INSERT format, with preview and download.
-
XML to YAML
Convert XML data into YAML format, with preview and download.
-
XML Validator
Check XML for syntax errors and show the exact line.
-
XOR Cipher
XOR text with a key.
-
xxHash64 Hash Generator
Generate a xxHash64 hash from text instantly.
Y
-
YAML Formatter
Beautify and indent YAML code with configurable style.
-
YAML to CSV
Convert YAML data into CSV format, with preview and download.
-
YAML to Excel (XLSX)
Convert YAML data into Excel (XLSX) format, with preview and download.
-
YAML to HTML Table
Convert YAML data into HTML Table format, with preview and download.
-
YAML to JSON
Convert YAML data into JSON format, with preview and download.
-
YAML to Markdown Table
Convert YAML data into Markdown Table format, with preview and download.
-
YAML to SQL INSERT
Convert YAML data into SQL INSERT format, with preview and download.
-
YAML to TOML
Convert YAML into TOML.
-
YAML to XML
Convert YAML data into XML format, with preview and download.
-
YAML Validator
Check YAML for syntax errors and show the exact line.
-
Year to Day
Time converter: Year to Day with formula and conversion table.
-
Yearly Calendar Maker
Customize and print or download yearly calendar as PDF.
-
YouTube Channel Banner Resizer
Crop and resize any image to the exact YouTube Channel Banner size.
-
YouTube Embed Code Generator
YouTube Embed Code Generator — create, preview and export locally.
-
YouTube Profile Picture Resizer
Crop and resize any image to the exact YouTube Profile Picture size.
-
YouTube Tag Generator (Keyword Permutations)
YouTube Tag Generator (Keyword Permutations) — create, preview and export locally.
-
YouTube Thumbnail Maker
YouTube Thumbnail Maker — create, preview and export locally.
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YouTube Thumbnail Resizer
Crop and resize any image to the exact YouTube Thumbnail size.
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YouTube Timestamp / Chapters Generator
YouTube Timestamp / Chapters Generator — create, preview and export locally.
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YouTube Title & Description Length Checker
YouTube Title & Description Length Checker — create, preview and export locally.
Z
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Z-Score Calculator
Z-Score Calculator for pasted data.
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Zakat Calculator
Calculate zakat on cash, gold, silver and assets.
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Zalgo (Glitch) Text Generator
Turn normal text into zalgo (glitch) Unicode text you can paste anywhere.
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Zero-Width Character Detector
Find hidden characters in text.
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ZIP File Viewer
List contents of a ZIP without extracting.
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Zodiac Sign Finder
Zodiac Sign Finder — runs entirely offline.