Developer Utility
HTML Validator + A11y Quick Audit Tool
Run quick structural and accessibility checks on HTML snippets.
Language: HTMLUtility: ValidateUtility: Inspect
Structural issues: 0 A11y warnings: 0 No structural issues detected. No quick accessibility warnings detected.
What This Tool Does
Run quick structural and accessibility sanity checks before sending markup to production.
Use it to inspect or transform input quickly, then carry validated output into code, tests, or API requests.
Common Use Cases
- Catch unclosed tags in pasted snippets.
- Flag missing image alt text and skipped heading levels.
- Check for missing key document metadata like title/lang.
Common Pitfalls
- This is a quick audit, not WCAG certification.
- Dynamic runtime behavior still needs manual testing.
FAQ
Does this replace full accessibility testing?
No, use it as a fast first pass.
Can it detect all HTML validity issues?
It focuses on common high-impact structural checks.
Does this tool send data to a backend?
Most tools process input client-side in your browser unless explicitly noted.