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CSS Minifier
Minify CSS by stripping comments and whitespace — paste stylesheet, copy the smaller output.
How to use this tool
- 1Paste or type your input above.
- 2The result updates instantly.
- 3Copy the output with one click.
Frequently asked questions
How much does minification save?+
Typically 15–30% on hand-written CSS. Combined with gzip/brotli on your server, stylesheets shrink dramatically.
Is my data private?+
Yes. The tool runs entirely in your browser — nothing you paste or type is uploaded to a server.
Learn more
- CSS Minifier: how it works
- css minifier tips
- CSS Minifier FAQs