CSS Formatter
Free online CSS formatter and beautifier. Paste your CSS code and instantly format, indent and beautify it with consistent structure — no signup, no installation.
About this tool
This online CSS formatter and beautifier parses and reformats your stylesheet with consistent indentation and uniform structure. Any messy, minified, or poorly organized CSS is transformed into readable, well-structured code in one click. It removes unnecessary blank lines, fixes indentation, and normalizes spacing inside rules and declarations, making the code easier to review, debug, or hand off to a teammate — a free CSS beautifier that runs entirely in your browser.
Use Cases
- Code ReviewsClean up stylesheets before sharing with teammates or opening a pull request.
- Debugging StylesReadable indentation makes it much easier to trace selector hierarchies and spot conflicting rules.
- Learning & DocumentationProperly formatted CSS is easier to read, understand, and include in documentation or tutorials.
How It Works
Paste Your CSS
Copy and paste your raw, minified, or unformatted CSS into the editor.
Click Format
Press the Format CSS button and the tool will reformat the code instantly.
Copy the Result
Copy the formatted output or start over with new code.
Questions & Answers
No. All formatting is done entirely in your browser. Your code never leaves your device.
Yes. The formatter supports modern CSS including custom properties, nesting, media queries, and at-rules.
If the code cannot be parsed, the tool will display an error message so you can identify and fix the issue before formatting.