HTML Validator Tool

What is HTML Validator?

The HTML Validator tool is a powerful utility that helps you check your HTML code for errors, warnings, and compliance with web standards. It analyzes your HTML markup and provides detailed feedback on any issues found, helping you create clean, valid, and cross-browser compatible web pages.

Key Features:

• Instant validation of HTML code
• Detailed error and warning messages
• Line and column number references for issues
• Checks for HTML5 compliance
• Identifies missing tags, attributes, and other common errors
• Free to use with no registration required

Common Use Cases:

• Web development and debugging
• Learning HTML and improving coding skills
• Ensuring accessibility compliance
• Preparing code for production environments
• Troubleshooting rendering issues across browsers

How to Use:

1. Enter or paste your HTML code in the input box
2. Click the "Validate HTML" button
3. Review the validation results
4. Fix any errors or warnings identified
5. Re-validate until your code is clean

Why Validate HTML?

Valid HTML ensures your web pages render correctly across different browsers and devices. It improves accessibility, SEO performance, and makes your code easier to maintain. Regular validation is a best practice for professional web development and can help identify issues before they affect your users.