All Tools
Browse all 21 free developer tools. Everything runs in your browser.
JSON Formatter
Format, validate, auto-fix and prettify JSON
Base64 Encoder/Decoder
Encode and decode Base64 strings
URL Encoder/Decoder
Encode and decode URL components
JWT Decoder
Decode and inspect JWT tokens
REST Client
Test REST APIs directly in your browser
Color Converter
Convert between HEX, RGB, and HSL
Gradient Generator
Create beautiful CSS gradients visually
Favicon Generator
Generate favicons from text, emoji or image — PNG & ICO
Image Toolkit
Grayscale, rotate, crop, resize, compress & convert images
UUID Generator
Generate random UUID v4 identifiers
Slug Maker
Convert text to URL-friendly slugs
Hash Generator
Generate SHA-256 hashes from text
Regex Tester
Test and debug regular expressions
Text Diff
Compare texts and see differences
Timestamp Converter
Unix timestamp to human dates
Lorem Ipsum
Generate placeholder text
Markdown Preview
Live markdown rendering
Password Generator
Generate secure, random passwords
Text Case Converter
Convert text between different casing styles
Word Counter
Count words, characters, and sentences
URL Parser
Parse, extract, and analyze URL components