CSS Minifier

Minify CSS code online for free. Remove whitespace and comments to reduce file size. No upload — runs in your browser.

CSS Minifier

Paste your CSS code, click Minify, and get a smaller version with whitespace and comments removed.

How to Use

  • Paste your CSS code in the input area.
  • Click Minify to compress it.
  • Copy the minified output.

Frequently Asked Questions

What does CSS minification do?+
It removes unnecessary whitespace, comments, line breaks, and redundant semicolons from CSS code. This reduces file size and improves page load speed.
Is my code uploaded to a server?+
No. All minification happens entirely in your browser. Your code never leaves your device.
Will minification break my CSS?+
No. The minifier only removes whitespace and comments. All selectors, properties, and values remain intact.

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