CSS Minifier
Minify CSS to reduce size.
Paste CSS to remove comments and unnecessary whitespace, producing a compact stylesheet. Everything runs locally in your browser.
Your input is processed locally in your browser — nothing is uploaded, stored or logged.
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How it works
- 1 Paste your CSS.
- 2 The minified output appears live.
- 3 Copy or download the .css file.
Common use cases
- Shrink a stylesheet for production.
- Reduce page weight.
- Inline compact CSS.
- Quick one-off minification.
Frequently asked questions
Is my input sent to a server?
No. Everything runs locally in your browser — your input is never uploaded, stored or logged.
Does it change my styles?
No. It only removes comments and whitespace; selectors and rules are unchanged.
Is it really free?
Yes — free, with no signup and no limits.