Compress JavaScript to reduce file size or format JS for readability
Minified JavaScript will appear here...
This tool provides basic minification by removing whitespace and comments. For production builds, use advanced tools like Terser, UglifyJS, or build tools (Webpack, Vite) that perform variable renaming and advanced optimizations.
Compress JS by removing whitespace, comments, and unnecessary characters to reduce file size
Format JavaScript with proper indentation and line breaks for better readability
See character count, line count, and percentage reduction in real-time
Our JavaScript Minifier is a free online tool for compressing and formatting JavaScript code. Reduce file sizes for faster page loads or beautify JS for better code readability.
Why minify JavaScript? Minified JavaScript loads faster by removing unnecessary whitespace, comments, and characters. This reduces bandwidth usage and improves website performance, which is crucial for user experience and SEO.
Features: Minify mode removes all unnecessary whitespace and can optionally strip comments. Beautify mode formats JavaScript with proper indentation and line breaks. Real-time processing shows character count, line count, and percentage reduction.
How to use: Paste your JavaScript code, choose Minify or Beautify mode, and the tool processes it instantly. Copy the output with one click. Perfect for quick compression, code review, or learning JavaScript formatting patterns!