Data formatters

CSS Minifier

Minify CSS locally in your browser with conservative whitespace and comment cleanup.

Runs locally in your browser

Drop a CSS fileLoads .css or text files locally into the minifier.

Choose file

CSS

Original74 B

Minified54 B

Saved20 chars

Minified CSS

body{margin:0;color:#13201d}.button{padding:10px 14px}

How to use this tool

Paste or type your input into the tool panel. Results update immediately where possible. For privacy-first tools, your input is processed locally in the browser and is not stored for analytics.

FAQ

Is this tool free?

Yes. Lumio Utils starts with free browser-based tools and does not require registration.

Do you store my input?

No tool inputs, file contents, passwords, or private generated outputs are stored for analytics.