The CSS Formatter cleans up stylesheets using Prettier, the formatter most front-end teams already rely on. Paste minified or inconsistent CSS to get readable, consistently indented rules, or minify it to shrink file size for production. Formatting happens in your browser, so private code stays private.
No. The tool runs entirely in your browser with JavaScript. Your code never leaves your device, nothing is logged, and it keeps working offline once the page has loaded.
No. Minifying removes whitespace and comments only, so the browser applies exactly the same rules while downloading fewer bytes.
Last updated: October 2026 · Built by Derar Sattouf