CSS Minifier

Minify CSS in the browser.

How to use CSS Minifier

Enter or paste the source value into the tool.
Choose the relevant css minifier options.
Review and copy or download the generated result.

Processing and privacy

The supported processing runs locally in your browser.

This tool has a real browser-side processing path and passed representative verification.

Common questions

Is CSS Minifier available now?

Available now and verified for normal production use.

Where does processing happen?

The supported processing runs locally in your browser.

Related Developer tools

HTML Minifier — Minify HTML in the browser.
JavaScript Minifier — Minify JavaScript in the browser.
SVG Optimizer — Remove comments and extra whitespace from SVG.
SVG Viewer — Preview raw SVG markup safely.