What is JS Minification?
JS minification reduces file sizes by removing comments, whitespace, and unnecessary characters. Minified JS loads faster, reduces bandwidth, and improves page performance.
How to Use
- Paste JavaScript code into the input box.
- Click "Minify".
- View the size comparison before and after.
- Copy the minified code.
Features
- ✓ Remove comments
- ✓ Remove whitespace
- ✓ Compact operators
- ✓ Size comparison
- ✓ One-click copy
- ✓ Browser-local processing
- ✓ No signup
- ✓ Completely free
FAQ
Will JS minification affect code functionality?
Our minifier removes comments and unnecessary whitespace without changing code logic. However, we recommend thorough testing before deployment.
Do I need Source Maps after minification?
If you need to debug production code, we recommend generating Source Map files. This tool focuses on basic minification.
Will data be uploaded?
No! All minification happens locally in your browser. Code never leaves your device.