CSS Beautifier
This CSS Beautifier automatically applies consistent indentation and line breaks to improve code readability, and helps you tidy up cluttered styles.
The CSS Beautifier also makes it simple to clean up and format your stylesheet code with a single click.
Ideal for developers working with external stylesheets or compressed files.
Whether you're editing existing code or inspecting someone else’s work, our CSS Beautifier helps you tidy up cluttered styles without needing to install software or use developer extensions.
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Free & browser-based – No sign-up or installations required
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Beautifies thousands of lines in milliseconds
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Supports indentation, formatting rules, and readability optimizations
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Works offline once loaded.
Key Features of CSS Beautifier
✅ Instant Formatting
Paste your compressed or messy CSS, hit "Beautify," and the tool will instantly reformat the entire block with proper spacing and line breaks.
✅ Developer-Friendly Indentation
It automatically applies standard indentation for selectors and properties, making it easier to spot styling errors and understand cascading logic.
✅ Large File Handling
Optimized to process even large CSS files (10,000+ lines) efficiently—ideal for modern frameworks and production stylesheets.
✅ Secure and Private
All processing happens locally in your browser. Your code never leaves your device, ensuring complete privacy and safety.
How to Use CSS Beautifier
Using the CSS Beautifier is quick and straightforward:
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Paste your raw, unformatted CSS code into the input area.
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Click the "Beautify" button.
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Get instantly formatted, neatly indented CSS output in the result box.
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Use the "Copy" button to save the beautified code to your clipboard.
You can also click "Sample" to test the tool with example CSS, or use "Reset" to start fresh.
CSS Beautifier Use Cases
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Reformatting minified CSS copied from production websites or CDN files
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Making third-party or legacy CSS readable for debugging or editing
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Collaborative styling work, ensuring all team members use consistent formatting
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Educating beginners by showing them properly structured CSS output
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Restyling template files from marketplaces or external vendors
Related Tools
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CSS Minifier – Compress the beautified CSS code for deployment and improve site load speed.
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HTML Beautifier – Format and structure HTML documents, useful when working with embedded CSS.
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JavaScript Beautifier – Clean up and format JavaScript code alongside your CSS in multi-file projects.
Frequently Asked Questions about CSS Beautifier
What is a CSS Beautifier?
A CSS Beautifier is a tool that reformats unstructured or minified CSS code by adding indentation, spacing, and line breaks to make it more readable and manageable for developers.
Does CSS Beautifier change the functionality of my code?
No. The tool only improves readability by adjusting visual formatting. Your styles, selectors, and declarations remain unchanged in function.
Is this tool free to use?
Yes. The CSS Beautifier is completely free and runs entirely in your browser without requiring registration, installations, or subscriptions.
Can I beautify very large CSS files?
Yes. It can handle large-scale stylesheets with thousands of lines efficiently thanks to WebAssembly-based performance enhancements.
What type of formatting does it apply?
It uses standard two-space indentation, line breaks after each selector and property, and nested block formatting to mirror commonly accepted frontend conventions.
Will it work on SCSS or SASS?
No, this tool is designed specifically for pure CSS. For SCSS or SASS, use language-specific beautifiers or formatters.
Is my code stored or uploaded anywhere?
No. Your code is processed directly in your browser, and nothing is transmitted to any server.
Can I use this offline?
Yes. Once the tool is loaded, you can disconnect from the internet and continue using it without issues.
What browsers are supported?
All modern browsers like Chrome, Firefox, Edge, Brave, and Safari are fully supported.
Why should I beautify CSS?
Beautified CSS helps developers debug faster, review code more easily, and ensures better collaboration within teams.
