Skip to content
RapideTools

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.

Saved you time?Buy me a coffee

How it works

  1. 1 Paste your CSS.
  2. 2 The minified output appears live.
  3. 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.