Highlight and list all H1, H2, H3 headings on any webpage.
Users
86
+21 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#89K
#75K among extensions
Version
1.2
updated 3 Jan 2026
Users
monthly, 10 months
Latest, 19 Oct 2026:86 usersMove the mouse over the chart for any month
Ratings count
monthly, 10 months
Latest, 19 Oct 2026:1 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Heading Visualizer
Heading Visualizer
Instantly see all headings on any webpage — clean, structured, and highlighted.
Heading Visualizer helps writers, SEOs, and developers understand a page’s content structure at a glance by detecting and highlighting all heading elements.
✨ Key Features
Highlight all headings:
Automatically highlight every H1, H2, H3 on the current webpage.
Structured outline panel:
View a clean, collapsible list of all headings in order.
SEO-friendly insight:
Quickly spot missing, duplicated, or poorly structured headings.
Lightweight & fast:
Zero configuration — works instantly after install.
🎯 Perfect For
SEO specialists
Content writers & editors
Web developers
UX writers
Anyone analyzing webpage structure
💡 Why It’s Useful
Improve SEO, content flow, and readability by understanding the heading hierarchy in seconds — without digging into HTML.