How to use the Heading Structure Checker
Fill in the fields above and the result appears straight away. Everything runs in your browser, so nothing you type is uploaded.
How it works
Calculated from the inputs shown in this tool.
Examples
- With the default values
H1: 0 H2: 0 H3: 0
Limitations and assumptions
Confirm assumptions, units and applicable local rules before relying on results. Detailed content, accessibility and edge-case review remains ongoing.
Frequently asked questions
What does the Heading Structure Checker do?
Heading Structure Checker for practical everyday workflows. Enter the requested values to get a clear result.
How does the Heading Structure Checker work?
Fill in the fields above and the result appears straight away. Everything runs in your browser, so nothing you type is uploaded.
What should I keep in mind when using the Heading Structure Checker?
Confirm assumptions, units and applicable local rules before relying on results.
Can I see an example of the Heading Structure Checker?
Use the sample values to verify the calculation.
Is the Heading Structure Checker free to use?
Yes. It is free, needs no account and runs in your browser.