CSS Validator

Validate and format CSS code. Find syntax errors, typos, and best practice issues!

Paste CSS code to validate

Features

  • Syntax validation
  • Typo detection
  • Beautify/minify
  • Line-by-line errors
  • Best practice hints
  • One-click copy

How to Use

  1. 1
    Paste your CSS code
  2. 2
    View issues highlighted
  3. 3
    Fix errors and warnings
  4. 4
    Beautify or minify as needed

Frequently Asked Questions

What does this validator check?

Syntax errors, missing semicolons, brace mismatches, common typos, and best practice issues.

What are the colored indicators?

Red = errors (must fix), Yellow = warnings (should fix), Blue = info (suggestions).

Does beautify fix errors?

No, beautify only formats. You need to manually fix syntax errors.

Is this a full CSS linter?

This is a basic validator. For full linting, use tools like Stylelint in your build process.