Tired of messy and unreadable stylesheets? Our free online CSS formatter instantly cleans up your code, making it easier to understand, debug, and maintain. Choose from various indentation options to ensure your design code matches your specific project requirements.
Search for a command to run...
Tip
Use CSS shorthand properties like font or background to reduce lines of code without losing clarity.
Did You Know?
The first version of CSS was officially published by the W3C in December 1996.
CSS (Cascading Style Sheets) is the foundation of web design, controlling the layout, colors, and fonts of modern websites. As projects grow, CSS files can become bloated and difficult to read. A formatter reorganizes these rules into a predictable structure, which is essential for maintaining large-scale design systems and ensuring cross-browser compatibility.
Best Practice
Always put a space after the colon in a property-value pair to improve readability for fellow developers.
For a professional workflow, consider using editor extensions like Prettier or stylelint in VS Code to format CSS automatically on save. You can also integrate CSS formatting into your build pipeline using NPM scripts or CI/CD actions to ensure that only properly formatted code reaches production.
Q: Does this tool support CSS variables? A: Yes, the formatter correctly handles modern CSS syntax including custom properties (variables), media queries, and nested rules.
Q: Will formatting my CSS increase the file size? A: Formatting adds whitespace and newlines for readability, which increases file size. For production, you should use our CSS Minifier after you are done editing.
Q: Can I format SASS or LESS files here? A: This tool is optimized for standard CSS. While it may handle simple SCSS, specialized preprocessor formatters are recommended for advanced syntax.
Q: Is there a limit to how much CSS I can format? A: Our tool is designed to handle very large stylesheets efficiently, though extremely large files may depend on your browser's memory capacity.