CSS Minifier & Beautifier – Free Online CSS Compressor
Dramatically minify structural CSS stylesheets for production by radically purging comments and redundant whitespace. Monitor exact byte savings live.
537 B
Original
518 B
Output
-3.5%
Savings
8
Rules
How to Use the CSS Minifier
Paste Your CSS
Paste your CSS code in the input box, or click 'Sample' to load example CSS.
Choose Mode
Click 'Minify' to strip whitespace and comments for production. Click 'Beautify' to format minified CSS for readability.
Copy & Deploy
Copy the minified output and include it in your production HTML or build pipeline.
Frequently Asked Questions
How much does CSS minification save?
On average 20-40% of file size. For large stylesheets this can mean hundreds of KB, significantly improving page speed.
Does minification remove important CSS?
No. Only comments and redundant whitespace are removed. All selectors, properties, and values are preserved exactly.
Does it handle @media queries?
Yes, all CSS rules including @media, @keyframes, @supports, and @import are handled correctly.
Is it safe to minify production CSS?
Yes. Always test in a staging environment first. Our minifier uses conservative rules to avoid breaking your styles.
Is this free and unlimited?
Yes, completely free with no size limit or sign-up required. Processing is done entirely in your browser.
Embed / Link
https://tools.devriq.in/css-minifier/