Free Developer Tool
HTML Accessibility Checker
Analyze HTML for common accessibility issues.
What is HTML Accessibility Checker?
Analyze HTML for common accessibility issues such as missing alt attributes, unlabeled form controls and heading structure problems.
How to use
- Paste HTML.
- Run the accessibility check.
- Review detected issues.
- Fix your markup.
Features
- Accessibility analysis
- Missing alt detection
- Heading validation
- Browser processing
Common Use Cases
- Website auditing
- SEO improvements
- WCAG preparation
- HTML validation
Example
Input
<img src="logo.png"><input type="text"><h3>Title</h3>
Output
Missing alt attribute on <img> Input has no associated label Heading structure may be incorrect
FAQ
Does it guarantee WCAG compliance?
No. It checks common accessibility issues only.
Does it modify the HTML?
No.
Is processing local?
Yes.
Missing a feature?
If this tool doesn't cover your use case or is missing functionality, please let me know through the Contact page.
New improvements and features are added based on user feedback.