Free Developer Tools
A collection of useful tools to help developers be more productive. All tools are free to use and work entirely in your browser.
📄
JSON Formatter & Validator
Format and validate JSON data with syntax highlighting
🔤
Base64 Encoder/Decoder
Encode and decode Base64 strings
🔗
URL Encoder/Decoder
Encode and decode URLs for safe transmission
🔢
Character & Word Counter
Count characters, words, and lines in your text
📝
Markdown Previewer
Write Markdown text and see a live, rendered HTML preview
🎨
Color Picker & Converter
Pick colors and convert between hex, RGB, and HSL values
📏
Unit Converter
Convert pixel values to rem and em units for responsive web design
🔐
Password Generator
Generate secure passwords with customizable options
🆔
UUID Generator
Generate universally unique identifiers (UUIDs) in multiple versions
📱
QR Code Generator
Generate customizable QR codes for URLs, text, and data with various options
Need a Custom Tool?
Don't see what you're looking for? We can build custom tools and applications tailored to your specific needs.