About this tool
Heading Structure Checker is part of our SEO Tools collection. It is designed for a clear, fast workflow with practical options, useful output, and privacy-aware processing.
Heading Structure Checker
Heading Structure Checker runs entirely in your browser. Files are never uploaded to our server.
✓Your files are processed in your browser — nothing is uploaded to our servers.
Privacy-first processing
Your files are processed in your browser — nothing is uploaded to our servers.
Frequently asked questions
Can I use Heading Structure Checker for free?
Yes. You can use the core Heading Structure Checker workflow for free.
How are my files handled?
Your files are processed entirely in your browser. File contents are never uploaded to our server.