Client-side CSS formatting & basic validation — clean indentation, consistent braces, and quick checks.
Validation quick lint results
No checks run
Tool functionality
- Format CSS (indentation, braces/newlines)
- Minify CSS (compact single-line)
- Basic validation: unmatched braces, missing semicolons, duplicate properties inside a rule
- Copy/download formatted CSS (client-side)
How to use
- Paste your CSS in the left textarea.
- Click Beautify to format. Use Validate to run quick checks.
- Copy or Download the cleaned CSS.
Why use this tool?
Fast client-side formatting for quick readability, consistent style, and simple validation before committing changes or sending code to teammates.
Preview (sample)
/* Formatted CSS preview will appear here after Beautify */
FAQ
No — formatting and validation run entirely in your browser (client-side). Nothing is uploaded by default.
This tool performs lightweight, rule-based checks (braces, semicolons, duplicate properties). It is not a full CSS linter — for exhaustive checks use a dedicated linter like stylelint.
This version uses 2-space indentation and a consistent brace/newline style. You can modify the script if you want tabs or different indentation sizes.
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