What does CSS minification do?

It removes whitespace, comments, and unnecessary characters to reduce file size.

How much size reduction can I expect?

Typically 20-60% reduction depending on how much whitespace and comments exist.

Yes, minification only removes non-functional characters. Behavior is unchanged.

Yes, there is also a Beautify option to expand minified CSS.

Only standard CSS is supported. Compile SCSS/LESS first.

compressor

Minify and compress CSS code online. Remove comments, whitespace, and redundancy for faster load.

CSS input

Paste your CSS code into the input.

Click Minify to compress the CSS.

Copy the minified CSS for use in production.

Minify JavaScript code online. Remove whitespace and comments to reduce bundle size.

Format and beautify HTML code online. Indent, clean, and minify HTML instantly.

Format, validate, and minify JSON data online. Syntax highlighting, error detection, and tree view.