Heading Structure Checker

Check H1-H6 hierarchy and heading balance

Check H1-H6 hierarchy and heading balance

Paste your content or HTML

Privacy: Heading Structure Checker runs completely in your browser. Your input never leaves your device.

Heading Structure Checker FAQ

Is Heading Structure Checker free to use?

Yes, this tool is completely free. There are no fees, subscriptions, or limits — open the page and use it as much as you like.

Does Heading Structure Checker upload my data?

No. Heading Structure Checker runs entirely in your browser on your own device. Your text and numbers never leave your computer.

Does Heading Structure Checker work on mobile?

Yes. The tool is fully responsive and works on Android, iPhone, tablets, laptops, and desktop computers.