CSS

Minify CSS

Output compact CSS and remove block comments.

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What does this tool do?

This tool reduces CSS size by removing unnecessary whitespace and block comments without intentionally changing CSS values.

HTTP/HTTPS up to about 1.5 MB
Allowed: .css, .txt
Show / hide explanation of the options

Remove block comments: Removes normal CSS block comments while preserving content inside strings.

Keep /*! license comments: Keeps block comments that start with /*! such as license notices.

Priority: If URL and upload are both provided, the upload wins. Then URL, then the text field.

Note: If URL and upload are both provided, the upload wins. Content is processed as UTF-8.