CSS Validator

Developer Tools

Check your CSS code for syntax errors and compliance.

About This Tool

Validate your CSS structure to identify missing braces, semicolons, and basic syntax errors. Ensure your stylesheets are well-formed before deployment.

Frequently Asked Questions

It checks for foundational syntax errors like mismatched curly braces and basic selector/property relationships to prevent rendering issues.

No, this tool validates syntax structure. For browser-specific support, you should consult resources like "Can I Use".

Common issues include missing semicolons after properties, unclosed braces, or misspelling property names which this tool helps identify.

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