How to use this tool
Paste valid CSS and click Minify. The output is ready to copy or download as a CSS file.
What it is for
Minified CSS reduces page weight and speeds up loading in production.
DEVELOPMENT & DATA
CSS Minifier online
Reduce the size of your stylesheets by removing whitespace and redundant content, all in your browser.
CODE EDITOR
CSS Minifier
Local processing · professional engine · your code is never sent
FREQUENTLY ASKED QUESTIONS
Does it change how my site looks?
No. Minified CSS is equivalent; it just takes up less space.
Can I read it again?
Yes, use the CSS Formatter to restore the indentation whenever you need it.