HTML Validator

Validate HTML structure and syntax. Check for unclosed tags, nesting errors, and missing attributes.

21.7Kuses
7.5/10(140)

How to Use

  1. Paste your HTML code in the text area.
  2. Click "Validate HTML".
  3. View errors and warnings with line numbers.

Features

  • Tag matching and nesting validation
  • Unclosed tag detection
  • Missing alt attribute warnings
  • Self-closing tag support
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Disclaimer: This tool is provided as-is for informational and educational purposes only.

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