Format and beautify CSS stylesheets. Fast, secure, and completely free. All processing happens in your browser — no data is sent to any server.
A CSS Formatter takes minified or inconsistently spaced stylesheets and rewrites them with one property per line, consistent indentation for each rule block, and normalized spacing around selectors and braces. CSS delivered to a browser is almost always minified for performance, so if you're inspecting a live site's stylesheet, debugging a specificity conflict, or reviewing legacy CSS with mixed formatting styles, the raw source is often unreadable as-is. This tool parses the rule structure — selectors, declarations, media queries, nested at-rules — and reprints it in a predictable, readable layout.
Live sites ship minified CSS to save bandwidth, which is exactly the form you get when you open a stylesheet in DevTools to figure out why a component looks wrong in production. Reformatting it turns an unreadable block into something where you can actually see which selector wins, what a media query overrides, and where a duplicate rule is quietly fighting your intended style. It's equally useful for cleaning up legacy stylesheets that accumulated inconsistent formatting from multiple contributors over time.
No — formatting only changes whitespace and line breaks. Selectors, property values, and cascade order remain exactly as written, so rendering is unaffected.
Plain CSS, including modern features like nesting and custom properties, formats reliably. Preprocessor-specific syntax (SCSS mixins, LESS variables prefixed with @) may not format perfectly since the tool targets standard CSS.
Yes, vendor-prefixed properties (-webkit-, -moz-, etc.) are preserved and formatted like any other declaration.
No, this tool only reformats whitespace; it doesn't analyze or remove dead CSS. Pair it with a linter or coverage tool for that.
No, all parsing and formatting happen client-side in your browser.