HTML Validator
Ensure your HTML code is error-free and compliant with industry standards. Perfect for web developers, students, and professionals. Validate and check HTML markup for errors.
About the HTML Validator Tool
Overview
The HTML Validator helps you detect errors, warnings, and potential issues in your HTML markup. By adhering to the latest HTML standards, you can ensure that your web pages render correctly across different browsers and devices.
Why Validate Your HTML?
Clean and valid HTML not only improves the user experience but also enhances SEO and accessibility. By catching syntax errors or deprecated tags, you’ll save time debugging and ensure a more robust, future-proof website.
How It Works
Our HTML Validator uses the official W3C validation API to parse your HTML code and return any issues. Simply paste your HTML markup, click “Validate,” and the tool will display errors, warnings, or info messages to help you fix or optimize your code.
Conclusion
Valid HTML is the cornerstone of a successful website. Whether you’re a seasoned developer or just starting out, our HTML Validator ensures your markup follows best practices and meets industry standards.
Frequently Asked Questions about the HTML Validator
Is this validator using the W3C service?
Yes. We use the official W3C validation endpoint to parse and validate your HTML code in real time.
Does it support HTML5?
Absolutely. Our validator checks HTML5 markup for compliance with modern standards and highlights any deprecated or invalid tags.
Will this validator fix my code automatically?
No. The tool reports errors and warnings, but you’ll need to edit your HTML code accordingly. This approach ensures you fully understand and control any changes.
Is my code stored or shared?
Your HTML is sent to the W3C validator endpoint for processing only. We do not store or share your code beyond this validation request.
Is the tool free to use?
Yes, our HTML Validator is completely free, with no hidden costs or limits on usage.