CSS
Practical guide ⓘ
CSS Formatter and Minifier Online
Beautify and minify CSS for free. Adjustable indentation, highlighting, syntax parsing, copy and file export work directly in your browser.
Formatting separates CSS rules and declarations for easier review. Minification reduces whitespace using a CSS parser with restructuring disabled. Keep a readable version for development and a compact version for delivery.
How it works
This CSS tool makes your data easier to read and transform. Explore the actions with an example, then import your file. Always review results before using them in production.
- Paste text or import a file.
- Choose an action and adjust the options.
- Review the result, then copy or export.
Things to know
The formatter parses CSS syntax. CSSO compacts rules without restructuring, but does not verify rendering in every browser.
Limit: 2 MB per input to keep the interface responsive.
Your documents are processed in your browser. Theme, language and privacy choices may be saved on this device. Statistics and advertising have separate consent choices.
Frequently asked questions
Does syntax checking guarantee CSS rendering?
The parser reports syntax errors it recognizes. It does not check visual rendering, compatibility with every browser or whether targeted elements exist. Test the result in your application.
Document example
.card { color: #35243b; padding: 16px; }Edit the formatted document, then transfer it to raw.