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CSS Minifier

▸About this tool

Remove comments and collapse whitespace from CSS to reduce file size. See the exact bytes saved. Runs entirely in your browser. Nothing leaves your device.

▸Privacy and details

Your files never leave your device.

Fast browser processing with no account required.

Optimized for desktop and mobile with accessible controls.

▸How to use
  1. Paste your CSS into the input area.
  2. The minified output appears instantly with the bytes saved shown below.
  3. Click "Copy CSS" to copy the minified stylesheet to your clipboard.
  4. Or click "Download .css" to save the minified file directly.
▸Why use this tool

Serving minified CSS reduces page load times by decreasing file size. This tool performs safe transformations (removing comments and collapsing whitespace) that are lossless for CSS behaviour.