Heading Hierarchy Scanner — Free Online Tool
H1-H6 structure audit
Paste HTML → analyze heading structure. Missing H1, skipped levels, orphan headings.
📚 Learn more
Heading hierarchy scanner
How to use this tool
- 1
Paste HTML
Page source.
- 2
See structure
Tree + issues.
- 3
Fix heading order
For SEO + A11y.
Frequently Asked Questions
One H1 rule?
Key Takeaways
- Heading Hierarchy Scanner is a free, browser-based seo & web tool — h1-h6 structure audit.
- No signup, no downloads, no file uploads — your data stays on your device.
- Works on desktop, tablet, and mobile. Install as a PWA for offline access.
How to Use Heading Hierarchy Scanner
- Open the tool: Launch Heading Hierarchy Scanner on Toololis — no account or download needed.
- Enter your data: Paste text, enter values, or select a file directly in your browser.
- Get instant results: Everything is processed locally — results appear immediately.
- Copy or download: Save your output or share it. Bookmark for quick access next time.
Heading Hierarchy Scanner — Quick Facts
- Price
- Free — no limits, no watermarks, no paywalls
- Privacy
- 100% browser-based — no data is sent to any server
- Platform
- Any modern browser on desktop, tablet, or mobile
- Category
- SEO & Web Tools on Toololis
- Offline
- Works offline after first visit (Progressive Web App)
| Feature | Details |
|---|---|
| Tool | Heading Hierarchy Scanner |
| Category | SEO & Web |
| Signup Required | No |
| File Upload | None — processed in browser |
| Mobile Support | Fully responsive |
| Cost | Free forever |
Why Use Heading Hierarchy Scanner?
You should try Heading Hierarchy Scanner for a quick, private way to h1-h6 structure audit. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.
On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.