web

CSS Minifier

Compress CSS by removing whitespace, comments, and condensing declarations. Reduce file size for production.

CSS input

.btn {
  padding: 8px 16px;
  border-radius: 4px;
  background: blue;
}

Minified output

.btn{padding:8px 16px;border-radius:4px;background:blue}

Original

71 B

Minified

56 B

Saved

−15 B (21%)

Strips comments, collapses whitespace, removes trailing semicolons.

How to use CSS Minifier

1Paste your input in the panel above or use the example data if available.
2Choose an action — format, generate, convert, encode, or analyze.
3Your result appears instantly. Use Copy to grab it, or Download if a file option is shown.

Runs entirely in your browser

Nothing you type, paste, generate, or upload leaves your device.

Format and minify CSS.

Format and beautify JavaScript.