ToolBoxOnline

CSS Minifier

Minify and beautify CSS code. Remove whitespace and comments for production.

How to Use This Tool

  1. Paste your CSS code into the input field.
  2. Click 'Minify' to compress the CSS by removing whitespace, comments, and unnecessary characters.
  3. Click 'Beautify' to format minified CSS back into readable structure.
  4. Copy the result to use in your production stylesheet.

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Frequently Asked Questions

What does CSS minification do?

CSS minification removes unnecessary whitespace, comments, line breaks, and redundant code to reduce file size. This speeds up page load times and reduces bandwidth usage.

How much can minification reduce CSS file size?

Typically, minification reduces CSS file size by 10-20%. The exact reduction depends on how well-formatted the original CSS is β€” heavily commented and formatted CSS sees bigger reductions.

Is minified CSS safe for production?

Yes. Minified CSS is functionally identical to the original β€” only whitespace and comments are removed. It's the standard practice for production websites.

Can I beautify minified CSS back to readable format?

Yes. The beautify feature reformats compressed CSS with proper indentation and line breaks, making it easy to read and edit again.

How much can CSS minification reduce file size?

CSS minification typically reduces file size by 20-40% by removing whitespace, comments, and unnecessary characters. This improves page load times and can positively impact your website's SEO ranking.