Developer Tools
Format, encode, decode, convert and test code with fast, reliable utilities built for developers.
13 tools available
Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to text, instantly and privately.
Color Converter
Convert colors between HEX, RGB and HSL with a live preview and channel sliders.
Hash Generator
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes from any text, instantly.
HTML / CSS / JS Minifier
Minify HTML, CSS or JavaScript by stripping comments and whitespace, with size savings shown.
JSON Formatter
Format, validate and minify JSON instantly — paste in, get clean output, copy with one click.
JWT Decoder
Decode and inspect a JWT's header and payload, with expiry checks — all in your browser.
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text by paragraphs, sentences or words.
QR Code Generator
Generate custom QR codes for URLs and text with your own colors — download as PNG.
Regex Tester
Test regular expressions live with highlighted matches, capture groups and flags.
Text Diff Checker
Compare two blocks of text and see added and removed lines highlighted.
Unix Timestamp Converter
Convert Unix timestamps to human dates and back, with a live current epoch clock.
URL Encode / Decode
Percent-encode or decode URLs and query parameters, with component and full-URL modes.
UUID Generator
Generate cryptographically random v4 UUIDs in bulk, with copy and formatting options.