How much space does this save?

Depending on how heavily commented and spaced your CSS is, minification typically reduces file size by 20% to 40%.

Is the process reversible?

Yes, you can run the minified CSS through a Code Beautifier to restore its readability.

CSS Minifier Online Free

Compress CSS stylesheets by optimizing selectors, declarations, and line endings. Heavy CSS files block rendering on browsers, increasing page load delays.

Your inputs are processed locally in your browser. Nothing is uploaded to any server.

Source Input

Result Output

How to Use

1Paste your CSS stylesheet into the input box.
2The tool removes spaces, newlines, and comments.
3Copy the minified CSS string.
4Use it in your production build to reduce file sizes.

CSS Minifier Online Free

How to Use

Frequently Asked Questions