Developer Tools
Minifiers, formatters, encoders for developers
⭐ Most Popular Developer Tools
CSS Minifier
Minify CSS to reduce file size for production
JavaScript Minifier
Minify JavaScript code for faster page loads
JSON Formatter
Format and beautify JSON with syntax highlighting
Color Picker
Pick colors and convert between HEX, RGB, HSL formats
All Developer Tools(9)
HTML Minifier
Minify HTML by removing whitespace and comments
CSS Minifier
Minify CSS to reduce file size for production
JavaScript Minifier
Minify JavaScript code for faster page loads
JSON Formatter
Format and beautify JSON with syntax highlighting
JSON Validator
Validate JSON syntax and find errors instantly
Base64 Encoder
Encode text or files to Base64 format
Base64 Decoder
Decode Base64 encoded strings to original content
Color Picker
Pick colors and convert between HEX, RGB, HSL formats
Regex Tester
Test and debug regular expressions with live matching
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About Developer Tools
Converter44 offers 9 free developer tools that work entirely in your browser — no file uploads, no account required. All tools are optimized for speed and privacy, processing your data locally using modern Web APIs and JavaScript. Whether you need to minifiers, formatters, encoders for developers, you will find the right tool here. All tools are completely free and work on any modern browser including Chrome, Firefox, Safari, and Edge.