What does CSS minification do?

CSS minification removes comments, unnecessary whitespace, line breaks, and redundant characters from your CSS code. This reduces file size, leading to faster page load times and better web performance.

Will minification break my CSS?

No, minification only removes unnecessary characters. It preserves all CSS rules and functionality. The minified code produces the exact same rendering as the original.

Is this tool free to use?

Yes, the CSS Minifier is completely free with no usage limits. All processing happens in your browser — your code is never uploaded to any server.

CSS Minifier

Minify and beautify CSS code online. Remove comments, whitespace, and reduce file size instantly.

Input

How to Use

Minify and beautify CSS code online. Remove comments, whitespace, and reduce file size instantly.

1Paste your CSS code into the input field.
2Click 'Minify' to compress or 'Format' to beautify.
3View the size reduction percentage instantly.
4Copy the result with one click to use in production.

Key Features

Remove comments, whitespace, and unnecessary characters
Shows original vs minified size with savings percentage
Beautify/format mode for readable CSS
100% client-side — your code never leaves the browser

Frequently Asked Questions

Learn More

CSS Minifier Guide — Optimize Your Stylesheets for Web Performance