CSS Formatter / Minifier
Free online tool · runs in your browser
Format or minify CSS.
Quick tutorial
- 1Paste CSS.
- 2Choose Format or Minify.
- 3Copy the result.
Free online css formatter / minifier
Beautify CSS for readable indentation or minify it for production by removing whitespace and comments. This lightweight CSS formatter is for quick edits in the browser, not a full CSS parser or PostCSS pipeline. Paste styles, choose Format or Minify, and copy the result locally.
How to use CSS Formatter / Minifier
- Paste CSS.
- Choose Format or Minify.
- Copy the result.
Limitations
- Lightweight formatter — not a full CSS parser.
Example
Input
.a{color:red;}Output
.a {
color: red;
}FAQ
Frequently Asked Questions
Will minify break my CSS?
It removes comments and unnecessary whitespace. Valid CSS is preserved; extremely unusual hacks may need a dedicated minifier.
Is this Prettier for CSS?
No. For teams, use Prettier or stylelint. This tool is for fast, private formatting in the browser.
Is CSS Formatter / Minifier free to use?
Yes. CSS Formatter / Minifier on ShadowReference is free, with no account, no watermarks, and no server-side processing.
Does this tool send my data to a server?
No. All processing happens locally in your browser. Your input never leaves your device.