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All ToolsCSS Beautifier
CSS Beautifier
Format and beautify CSS stylesheets with proper indentation — paste minified CSS and get clean, readable stylesheets instantly.
What is CSS Beautifier?
CSS Beautifier is a free online tool that formats and indents CSS stylesheets. Paste minified or messy CSS and get clean, properly structured CSS with each rule on its own line.
How It Works
The formatter parses CSS rules and declarations, placing each selector on a new line, each property on its own indented line, and closing braces correctly. It handles nested rules, media queries, and at-rules.
How to Use
- 1
Paste your CSS
Paste minified or messy CSS code into the editor.
- 2
Beautify
Click "Beautify CSS" to format the code with consistent indentation, spacing, and line breaks.
- 3
Customize style (optional)
Set indent size, brace style, and whether to sort properties alphabetically.
- 4
Copy or download
Copy the formatted CSS to your clipboard or download it as a .css file.
Who Uses This Tool
🎨
Frontend Development
Format minified CSS from third-party libraries to understand and debug styles during development.
🔍
Code Review
Beautify CSS before reviewing a pull request so each property and rule is clearly legible.
📋
CMS Themes
Format CSS exported from WordPress or Shopify theme editors to make it editable and maintainable.
🧹
Legacy Code Cleanup
Format years-old unindented CSS stylesheets so you can understand and safely refactor them.
📚
Learning CSS
Paste minified framework CSS (e.g. Bootstrap, Tailwind compiled output) to read and study the actual rules.
🛠️
Debugging Layouts
Format inline or minified CSS before pasting into browser DevTools to more easily spot broken rules.
Why Choose This Tool
Instant In-Browser Formatting
CSS is formatted entirely in your browser — no upload, no server round-trip, results appear in milliseconds.
Handles Media Queries & At-Rules
The formatter correctly handles @media, @keyframes, and @supports blocks with proper nesting and indentation.
No File Size Limits
Paste any amount of CSS — the tool runs locally so there are no server-enforced limits on input size.
One-Click Copy
Copy the entire formatted CSS output to your clipboard with a single click for immediate use.
Free — No Account Required
No registration, no subscription, no per-use credits. Format as much CSS as you need.
Pairs with CSS Compressor
Use the Beautifier during development to read code, then use the Compressor to minify it before deployment.
Key Benefits
- Formats CSS with 2-space indentation
- Handles media queries and at-rules
- Each property on its own line
- Copy output with one click
- 100% browser-based — no uploads
Frequently Asked Questions
Also Known As
css beautifier onlineformat css online freecss formattercss prettifierbeautify css codecss indentation fixerunminify csscss code formatter online
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