CSS

Check & beautify CSS

Format CSS, optionally sort properties and check simple lint hints.

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What does this tool do?

This tool formats CSS for readability, can sort properties alphabetically and shows simple hints for unusual stylesheet patterns.

Input: CSS from a URL, file upload or direct paste.
Result: An indented stylesheet with optionally preserved comments and check hints.
Useful for: Code reviews, cleaning up old stylesheets and quickly spotting broad CSS issues.

Source by URL

HTTP/HTTPS up to about 1.5 MB

or upload a file

Allowed: .css, .txt

Sort properties alphabetically Remove comments

Show / hide explanation of the options

Sort properties alphabetically: Sorts properties alphabetically inside each block.

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

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.

These hints are not errors. They show places you can review if needed.

Paste content and run the tool.

Tip: This tool does not change values aggressively. Property sorting can be enabled for a consistent format.