CSS Beautifier
Beautify minified or messy CSS, SCSS or Less with clean indentation and line-numbered syntax errors. 100% in your browser, no upload.
🔒 Runs in your browser — nothing is uploaded.
Make minified CSS readable again
Paste minified or messy CSS and get it back cleanly formatted, with every rule and declaration on its own indented line and consistent spacing. Indent with 1 to 5 spaces or a tab to match your project’s style. Set Syntax to CSS or SCSS / Less — all three are tidied the same way, and the picker tells the built-in check whether // starts a comment, so an unclosed brace, quote, comment or parenthesis is reported with the line it opened on. It’s powered by js-beautify, the same formatting engine used by many editors.
Private and lossless
Everything runs in your browser — your stylesheet is never uploaded, so it’s safe for proprietary or unreleased code. It reformats layout only and never changes what your CSS does. This is the beautify counterpart to the site’s CSS minifier, and pairs with the HTML formatter and JavaScript beautifier.
Frequently asked questions
Can it un-minify CSS?
Yes — it expands compressed one-line CSS back onto readable, indented lines so you can edit and review it.
Does it change how my CSS renders?
No. It only reformats whitespace and indentation; selectors, properties and values are untouched.
Can I choose the indent style?
Yes — pick 1, 2, 3, 4 or 5 spaces, or a tab, to match your codebase.
Is my CSS uploaded?
No. Formatting happens entirely in your browser, so proprietary styles never leave your device.