CSS Compressor and Cleaner

Paste your CSS code or load a demo, then click Compress to minify or Tidy Up to organize the styles to make it more readable. Enable "Line break after }" to put each rule on its own line. Click the Copy button to copy the minimized code to your clipboard.

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Quick Tips

Use shorthands for borders, margins and paddings.
Use variables and reuse colors to stay consistent.
Remove unused styles.
Group media queries to avoid repetition.

Boost Your Website Performance with CSS Minimizing and CSS Tidy Up

When it comes to website speed and user experience, CSS plays a huge role. Every website relies on Cascading Style Sheets to define layout, colors, fonts, and responsiveness. But as a project grows, stylesheets can become bloated, repetitive, and harder to maintain. That's where our CSS minimizer and CSS tidy up come in. Besides compressing make sure to remove unused CSS from your project.

This free online tool works entirely in your browser.

What is CSS Minimizing?

CSS minimizing (or compression) is the process of removing unnecessary characters from your CSS code without changing how it actually works:

Eliminating extra spaces, tabs, and line breaks
Removing /* comments */
Shortening color codes 🟩#00FF00 → 🟩#0F0
Combining longhand properties into shorthand:

padding-top: 10px;
padding-right: 10px;
padding-bottom: 10px;
padding-left: 10px;

can be compressed to:

padding:10px;

The result is a smaller file size, faster downloads, and quicker rendering in the browser ⏱️

What is CSS Tidy Up?

While minimizing focuses on file size, tidy up is about readability and structure.

Grouping related styles
Fixing inconsistent indentation and spacing
Replacing outdated properties with modern standards

A tidy stylesheet is easier for developers to maintain, debug, and develop, reducing the chance of errors when multiple people work on the same project.

Why Are Both Important?