CSS Minifier
// Compress CSS to reduce file size
#About CSS Minifier
Free online CSS minifier. Remove whitespace, comments, and unnecessary characters from CSS to reduce file size. This tool runs entirely in your browser — your data is never sent to a server. Just paste your input, get instant results, and copy with one click. No sign-up or installation required.
#FAQ
How do I minify CSS to improve page speed? ▾
Paste your CSS into the input field and the minifier will strip all comments, whitespace, and unnecessary semicolons. The resulting compressed output can significantly reduce file size and improve page load times.
Is minified CSS still valid and functional? ▾
Yes, minified CSS is fully valid and renders identically to the original. Only non-essential characters like comments and extra whitespace are removed, so all your styles and selectors remain intact.
</> Embed this tool ▾
Copy this code to embed the tool on your website. Adjust the height to fit your layout.
<iframe src="https://www.browserutils.dev/embed/css-minifier" width="100%" height="500" frameborder="0" title="CSS Minifier"></iframe>