Quick Answer
What does Heading Structure Checker do? Paste your input and the tool instantly validates it for errors and reformats it for readability.
Frequently Asked Questions
The tool only reformats structure and whitespace — it does not alter the data values themselves unless you enable transformation options.
Yes — the tool works in all modern browsers including Chrome, Firefox, Safari, and Edge. No installation or plugin required.
Files up to 50MB are supported for most operations. For very large inputs, processing may take a few extra seconds.
All processing happens in your browser. Your data is not sent to any server.
Yes — outputs generated by Heading Structure Checker are free to use in personal and commercial projects.
Troubleshooting
Tool is not loading
Clear your browser cache and reload. Disable any browser extensions that might block JavaScript.
Results appear incorrect
Verify your input format matches what the tool expects. Review any validation messages shown below the input field.
Copy or download button does not work
Some browsers restrict clipboard access. Try right-clicking and selecting Copy, or use Ctrl+C after selecting the output text.