JavaScript Minifier

Minify JavaScript code by removing whitespace and comments.

What does JavaScript Minifier do?

JavaScript Minifier compresses JS code by removing all unnecessary whitespace, comments, and line breaks, producing the smallest possible valid JavaScript.

Use Cases

  • Reduce JS file size for faster page loading
  • Minify JavaScript before deployment
  • Optimize JS bundles for production
  • Compress inline scripts in HTML

How to Use

  1. 1Paste your JavaScript code into the input panel
  2. 2Click "Minify" to compress the code
  3. 3Copy the minified output or download it

Frequently Asked Questions

Does minification remove comments?
Yes, both single-line (//) and multi-line (/* */) comments are removed during minification.
Is minified JavaScript still valid?
Yes, minified JavaScript is fully valid. Only whitespace and comments are removed — all code logic is preserved.

Related Tools