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FORMATTERS

CSS Formatter & Minifier

Online CSS beautifier, formatter, and minifier. Organize CSS stylesheets with consistent rule spacing or compress CSS for production.

100% Client-Side Fast Private & Secure Free In-Browser Tool All Tools
About CSS Formatter

What is CSS Formatter & Minifier & How Does It Work?

Maintain clean, readable stylesheets with our free CSS Formatter and Minifier. Whether you are standardizing messy legacy code or compressing CSS bundles for production deployment, this tool delivers instant, error-free results.

100% Privacy & Security Guarantee

All operations execute locally inside your browser engine using JavaScript. Your confidential code, JSON datasets, tokens, and credentials are never stored, logged, or transmitted across external servers.

Key Features & Capabilities

Beautifies selectors, declarations, and property values with clean indentation
Production-ready CSS minification removing comments, line breaks, and spaces
Preserves CSS3 media queries, pseudo-classes, keyframes, and CSS variables
100% Client-Side processing with instantaneous responsiveness
One-click sample loader and clipboard copying

How to Use CSS Formatter & Minifier (Step-by-Step Guide)

1
Paste CSS

Paste your CSS declarations or minified stylesheet into the input box.

2
Format Stylesheet

Click "Format CSS" to apply standardized indentation and multi-line rule layout.

3
Minify Stylesheet

Click "Minify CSS" to compress the stylesheet into a single high-efficiency line.

4
Copy Output

Click "Copy Output" to immediately grab the formatted CSS code.

Frequently Asked Questions

Yes. Modern CSS features including custom properties (`--var`), `@media` rules, `@keyframes`, and `@supports` are properly formatted.

Minification typically reduces CSS file sizes by 20% to 50% by stripping whitespace, line breaks, and comments.
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