Minify CSS to shrink your stylesheets and speed up your site. Paste your CSS to strip comments and whitespace and produce compact, production-ready output — a free online CSS minifier that processes everything privately in your browser.
Removing comments, line breaks and redundant spaces can noticeably reduce CSS file size, cutting download time and improving page-speed scores. In virtually all cases the minified CSS renders the same as your source.
Skip the bundler for quick jobs — paste your CSS, minify it, and copy the result straight into production. Ideal for small projects, critical CSS and one-off optimizations.
Paste your CSS into the input. The minifier removes comments and whitespace and shows compact output you can copy instantly.
In virtually all cases no — only insignificant whitespace and comments are removed. It is a lightweight minifier, so verify unusual selectors or content strings after minifying.
You can minify large stylesheets; because it runs in your browser, performance depends on your device rather than a server limit.