CSS Minifier & Beautifier
Compress CSS by stripping comments and whitespace, or beautify it with clean indentation. Strings, url() and calc() spacing are preserved. Everything runs locally in your browser — nothing is uploaded.
Input CSS
0 bytes
Output
0 bytes
About this CSS minifier
Minify
Removes comments and collapses whitespace, dropping the last semicolon in each rule.
Beautify
Re-indents rules and declarations with 2/4 spaces or tabs for readable CSS.
Safe by design
Quoted strings, url() values and calc() spacing are preserved so nothing breaks.
Size saved
See the before/after byte count and the percentage you saved.
Upload & download
Load a .css file and save the result with one click.
Private
Your CSS is processed in the browser — it's never uploaded.