JavaScript Minifier
JavaScript Minifier is a free online tool that compresses JavaScript code by removing unnecessary whitespace, comments, and optionally shortening variable names. This reduces file size for faster page loads and lower bandwidth usage. The tool runs entirely in your browser with no data sent to any server.
Options:
Features
Zap
Instant Minification
Minify JavaScript in real-time with instant preview of size reduction.
Shield
100% Private & Secure
Your code never leaves your browser. No server processing or data storage.
Settings
Customizable Options
Choose which optimizations to apply: comments, whitespace, console.log, variables.
Frequently Asked Questions
Tags
minifier
javascript
compress
terser