HTML Validator

✓ HTML is valid!

✗ HTML has errors

Errors: | Warnings:

Errors:
Warnings:

© 2025 Luka Uzel — Open sourced under the MIT License.

loCode V1.0.0 built with ❤️ using Symfony, Alpine.js, Bootstrap and Docker

Thu. 5 March 2026 09:59

Help

HTML Validator

Enter your HTML code in the editor and click "Validate" to check for syntax errors and warnings.

Features:

  • Syntax validation using PHP DOMDocument
  • Line and column error reporting
  • Warning and error categorization
  • Auto-save to localStorage