Tools Guide
What each tool does, in plain English — and when to reach for it. Every tool is free, needs no signup, and runs entirely in your browser. Open any tool for step-by-step instructions on its own page.
🔤Text
Everyday text fixes — clean up, transform, count, and encode words and characters. Nothing leaves your browser.
- 🔠Case Converter
Convert text between UPPERCASE, lowercase, Title Case, and developer cases.
Open Case Converter → - 🔢Word Counter
Count words, characters, sentences, and reading time as you type.
Open Word Counter → - 🧩Word Unscrambler
Turn jumbled letters into every valid word, sorted by length.
Open Word Unscrambler → - 🔀Text Diff / Compare
Compare two texts line by line and see what changed.
Open Text Diff / Compare → - 🏷️Slug Generator
Turn any title into a clean, URL-safe slug.
Open Slug Generator → - 📡Morse Code Translator
Translate text to Morse code and back again.
Open Morse Code Translator → - 🔟Text to Binary Converter
Convert text to binary and binary back to text.
Open Text to Binary Converter → - 📑Sort & Dedupe Lines
Sort lines, remove duplicates, trim, and drop blanks.
Open Sort & Dedupe Lines → - 🗝️Caesar Cipher / ROT13
Encode or decode text with a Caesar shift (ROT13).
Open Caesar Cipher / ROT13 → - 📊Word Frequency Counter
Count how often each word appears, sorted by frequency.
Open Word Frequency Counter → - 🔊Text to Speech
Read any text aloud — pick a voice, speed, and pitch.
Open Text to Speech → - 🧹Whitespace Remover
Trim lines, collapse spaces, and remove blank lines.
Open Whitespace Remover → - 📖EPUB to Text / HTML
Extract an EPUB ebook to plain text or a single self-contained HTML file.
Open EPUB to Text / HTML →
💻Developer
Utilities for coding and the web — format, convert, decode, and test the data formats you work with daily.
- 🧾JSON Formatter
Format, validate, and minify JSON — with clear error messages.
Open JSON Formatter → - 📦Base64 Encode / Decode
Encode text to Base64 or decode it back — UTF-8 safe.
Open Base64 Encode / Decode → - 🔗URL Encoder / Decoder
Percent-encode or decode URLs and query components.
Open URL Encoder / Decoder → - #️⃣Hash Generator
SHA-1, SHA-256, SHA-384, and SHA-512 hashes in your browser.
Open Hash Generator → - 🎨Color Converter
Convert colors between HEX, RGB, and HSL with a live picker.
Open Color Converter → - ⏱️Unix Timestamp Converter
Convert between Unix timestamps and human dates.
Open Unix Timestamp Converter → - 🧮Number Base Converter
Convert between binary, octal, decimal, and hexadecimal.
Open Number Base Converter → - 🔣HTML Entity Encoder / Decoder
Encode text to HTML entities or decode them back.
Open HTML Entity Encoder / Decoder → - 🔄JSON ↔ CSV Converter
Convert a JSON array of objects to CSV and back.
Open JSON ↔ CSV Converter → - 📊Spreadsheet Converter
Convert Excel, ODS, and CSV between XLSX, ODS, CSV, TSV, and JSON.
Open Spreadsheet Converter → - 🗜️ZIP Tool
Create a ZIP from any files or extract one — in your browser.
Open ZIP Tool → - 🔤Font Converter
Convert fonts between TTF, OTF, WOFF, and WOFF2 with a live preview.
Open Font Converter → - 🌈CSS Gradient Generator
Build a CSS gradient with a live preview and copy it.
Open CSS Gradient Generator → - 🔲CSS Box Shadow Generator
Design a CSS box-shadow visually and copy the code.
Open CSS Box Shadow Generator → - 🔍Regex Tester
Test regular expressions live with match highlighting.
Open Regex Tester → - 📝Markdown Preview
Write Markdown and see it rendered live.
Open Markdown Preview → - 🌗Color Shades & Tints
Generate tints and shades from any base color.
Open Color Shades & Tints → - 🎫JWT Decoder
Decode a JSON Web Token’s header and payload.
Open JWT Decoder → - 🧭URL Parser
Break a URL into protocol, host, path, and query.
Open URL Parser → - ⏰Cron Expression Explainer
Translate a cron expression into plain English.
Open Cron Expression Explainer → - 🌓Color Contrast Checker
Check color contrast against WCAG AA and AAA.
Open Color Contrast Checker → - 📋CSV to Markdown Table
Turn CSV data into a Markdown table.
Open CSV to Markdown Table →
🖼️Image
Resize, shrink, and convert images right in the browser. Your files are never uploaded.
- 🗜️Image Compressor
Shrink JPEG, PNG, or WebP images — adjust quality, download.
Open Image Compressor → - 📐Image Resizer
Resize images to exact dimensions, keeping aspect ratio.
Open Image Resizer → - 🔄Image Format Converter
Convert HEIC, WebP, AVIF, PNG, JPG, GIF, or BMP — batch, in your browser.
Open Image Format Converter → - 🖇️SVG Converter
Rasterize SVG to PNG, JPG, WebP, or PDF at any size, in your browser.
Open SVG Converter → - 🧬Image to Base64
Convert an image to a Base64 data URI for HTML/CSS.
Open Image to Base64 →
Work with PDF files privately in your browser.
- 📑Merge PDF
Combine several PDFs into one file, in any order.
Open Merge PDF → - ✂️Split PDF
Extract a page range or split a PDF into single pages.
Open Split PDF → - 🔄Rotate PDF
Rotate all or specific pages by 90°, 180°, or 270°.
Open Rotate PDF → - 🖼️Images to PDF
Combine JPG, PNG, or WebP images into one PDF.
Open Images to PDF → - 🏞️PDF to Image
Render each PDF page to a PNG or JPG at your chosen resolution.
Open PDF to Image → - 📝PDF to Text
Extract selectable text from a PDF — copy or download as .txt.
Open PDF to Text → - 🗂️Organize PDF
Reorder and delete pages visually with thumbnails, then save.
Open Organize PDF → - 📚CBZ to PDF
Convert a CBZ comic or a ZIP of images into a single PDF.
Open CBZ to PDF →
🎬Audio / Video
Audio and video helpers that run on your device.
- 🎵Audio Converter
Convert audio to MP3 or WAV, change sample rate and channels, in your browser.
Open Audio Converter → - 🎞️Video to GIF
Turn a video clip into an animated GIF — frame rate, size, and trim.
Open Video to GIF → - 🎥Video Transcoder
Convert video to MP4 or WebM, resize, and shrink it — GPU-accelerated with WebCodecs.
Open Video Transcoder →
🔄Converters
Quick calculators and unit converters for money, measurements, dates, and everyday math.
- 📏Unit Converter
Length, weight, temperature, volume, area, speed, data, and time.
Open Unit Converter → - 🎂Age Calculator
Exact age or the gap between two dates.
Open Age Calculator → - 💯Percentage Calculator
X% of Y, X is what % of Y, and percent change.
Open Percentage Calculator → - ⚖️BMI Calculator
Body Mass Index in metric or imperial, with category.
Open BMI Calculator → - 🏛️Roman Numeral Converter
Convert numbers to Roman numerals and back (1–3999).
Open Roman Numeral Converter → - 💵Tip Calculator
Work out the tip and split the bill between people.
Open Tip Calculator → - 🖼️Aspect Ratio Calculator
Scale dimensions while keeping the same aspect ratio.
Open Aspect Ratio Calculator → - 🏦Loan Payment Calculator
Monthly payment, total paid, and total interest.
Open Loan Payment Calculator → - 💸Discount Calculator
Sale price and savings from a discount percentage.
Open Discount Calculator → - 💰Sales Tax Calculator
Add sales tax to a price or back it out of a total.
Open Sales Tax Calculator → - 🌍Time Zone Converter
See a time across major world time zones.
Open Time Zone Converter → - 🔡Number to Words
Spell out any number in English words.
Open Number to Words → - 🎓GPA Calculator
Calculate your grade point average on a 4.0 scale.
Open GPA Calculator →
✨Generators
Make something from nothing — passwords, QR codes, UUIDs, random picks, and placeholder text.
- 🔳QR Code Generator
Turn any text or link into a downloadable QR code.
Open QR Code Generator → - 🔑Password Generator
Strong random passwords with length and character options.
Open Password Generator → - 📄Lorem Ipsum Generator
Placeholder text by paragraphs, sentences, or words.
Open Lorem Ipsum Generator → - 🆔UUID Generator
Generate random version-4 UUIDs in bulk.
Open UUID Generator → - 🎰Random Number Generator
Random numbers in a range — count, integers, uniqueness.
Open Random Number Generator → - 🎯List Randomizer & Picker
Shuffle a list or pick a random winner, fairly.
Open List Randomizer & Picker → - 🎲Dice Roller
Roll any number of dice with any number of sides.
Open Dice Roller →