CSS Formatter — Beautify CSS Stylesheets Online
CSS Formatter uses Prettier to apply consistent formatting to your CSS stylesheets. It handles standard CSS, multi-selector rules, media queries, and pseudo-classes.
Common Use Cases
- Formatting minified CSS copied from production assets
- Standardizing CSS formatting across a team
- Beautifying CSS before adding to version control
Frequently Asked Questions
Does CSS formatting change the visual output?
No. CSS formatting only changes whitespace and indentation. The resulting CSS applies the same styles as the original.
Privacy & Security
This tool runs entirely in your browser using client-side JavaScript. No data is sent to a server — your input never leaves your machine. SmartDevBox has no account system, no usage tracking, and no paid tier. See the Privacy & Security page for full details.
Related Tools
- CSS MinifierMinify CSS by removing comments, whitespace, and redundant semicolons. Free, no sign-up, 100% client-side.
- HTML FormatterFormat and indent HTML markup with consistent indentation. Powered by Prettier. Free, no sign-up, 100% client-side.
- JavaScript FormatterFormat JavaScript and TypeScript code with Prettier. Consistent style in one paste. Free, no sign-up, 100% client-side.