JS Minifier
Minify JavaScript code for production.
Processed locally — files never leave your device
JAVASCRIPT, JAVASCRIPT · Max 5MB
Drop a file here, or browse
JAVASCRIPT, JAVASCRIPT
How it works
1
Paste your JavaScript code
2
The code is minified instantly
3
Copy or download the minified output
About JS Minifier
Minify JavaScript code by removing whitespace, comments, and unnecessary characters. Reduce JS file size for faster page loads. Powered by JustUse.me — free, ad-free, and private. This tool runs entirely in your browser. Your files are never uploaded to any server.
Frequently asked questions
Does minification break my code?
No. Minification only removes whitespace and comments. The code logic stays exactly the same.
How much smaller will my JS be?
Typically 20-40% smaller. Files with lots of comments and formatting see the biggest reduction.