Clean up your stylesheets with our online CSS Formatter. Whether you need to debug a minified file or compress your code for deployment, this tool helps you do it instantly. Minification removes spaces, comments, and unnecessary characters. This reduces file size, leading to faster page load times for your users.
Privacy Protected
CSS Formatter & Minifier
Format and minify CSS stylesheets online. Optimize your CSS code for better performance. Free tool. Fast, free, and 100% private browser tool.
Share Tool
Select files or drag & drop here
Processed 100% locally in your browser. Your files never touch an external server.
Choose File to Begin
100% Client-Side Privacy•No File Size Limits•Free Forever
About CSS Formatter & Minifier
FusioFiles 100% Client-Side Privacy Guarantee
Your files and data never leave your browser — processed directly on your device.
Zero Server UploadsExecution occurs entirely in browser memory via WebAssembly and HTML5 Canvas.
HIPAA & GDPR ReadySafe for confidential tax forms, medical records, financial sheets, and legal contracts.
Zero Cloud LatencyInstant results with no upload delays, server queues, or third-party tracking.
Automatic RAM PurgeBuffers and caches are automatically wiped clean the instant you close the tab.
1
Paste CSS
Insert your stylesheet content into our secure editor.
2
Prettify
Our engine fixes indentation, spacing, and property order.
3
Grab Code
Copy the clean, maintainable CSS to your project.
Key Features
Beautify CSS
Unpack minified CSS into readable format.
Compress CSS
Minify your stylesheets to reduce file size.
Syntax Highlight
Colored output for better readability.
Instant Processing
Format large files in seconds.
Frequently Asked Questions
This tool is optimized for standard CSS, but can often format SCSS structure as well.
Yes, completely free. No account, subscription, or hidden fees — ever.
Yes. All processing runs directly in your browser — nothing is ever uploaded to a server.
Related Tools
View allLast updated on