Format and beautify CSS stylesheets with indentation, readable rules, and optional minification. This CSS Formatter is part of our free developer tools collection on freetoolstouse. It runs entirely in your browser, so your files and inputs stay on your device unless the tool explicitly performs a network check (for example DNS or SSL lookups). There is no signup, no watermark, and no usage cap. Use it whenever you need a fast, accurate result without installing software.
Format and beautify CSS stylesheets with indentation, readable rules, and optional minification.
Formats selectors, declarations, nested @rules, and comments. String values and functions like calc() are preserved. Processing runs entirely in your browser.