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H1-H6 Tag Tester

Chrome extension · Productivity · Tools

A Chrome extension in Productivity · Tools with 109 users, barely installed. Audience over the last 30 days: +7.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
109
Rating
5.0 (4 ratings)
Users, last 30 days
+7
Rating, last 30 days
Steady over 30 days
Version
0.0.0.2
Updated in the store
2024-11-01
Published
2024-11-01
Manifest
V3
Browser access
4 permissions, 1 site pattern

How it has moved

Users
+7 since 01.10
102-113 · 16 readings
  1. 2026-10-04109
  2. 2026-10-08110
  3. 2026-10-09107
  4. 2026-10-10103
  5. 2026-10-16109
  6. 2026-10-17113
  7. 2026-10-18111
  8. 2026-10-19112
  9. 2026-10-21113
  10. 2026-10-22112
  11. 2026-10-23109
  12. 2026-10-24108
  13. 2026-10-25109
  14. 2026-10-27108
  15. 2026-10-29107
  16. 2026-10-31109
Rating
unchanged since 01.10
reviewsrating 5.00 · 16 readings
  1. 2026-10-04reviews4rating5.00
  2. 2026-10-08reviews4rating5.00
  3. 2026-10-09reviews4rating5.00
  4. 2026-10-10reviews4rating5.00
  5. 2026-10-16reviews4rating5.00
  6. 2026-10-17reviews4rating5.00
  7. 2026-10-18reviews4rating5.00
  8. 2026-10-19reviews4rating5.00
  9. 2026-10-21reviews4rating5.00
  10. 2026-10-22reviews4rating5.00
  11. 2026-10-23reviews4rating5.00
  12. 2026-10-24reviews4rating5.00
  13. 2026-10-25reviews4rating5.00
  14. 2026-10-27reviews4rating5.00
  15. 2026-10-29reviews4rating5.00
  16. 2026-10-31reviews4rating5.00
Users
unchanged since 01.09
98-113 · 29 readings
  1. 2026-09-01109
  2. 2026-09-03110
  3. 2026-09-04100
  4. 2026-09-06101
  5. 2026-09-0798
  6. 2026-09-08100
  7. 2026-09-1098
  8. 2026-09-13101
  9. 2026-09-1599
  10. 2026-09-17104
  11. 2026-09-20103
  12. 2026-09-25101
  13. 2026-09-27102
  14. 2026-10-04109
  15. 2026-10-08110
  16. 2026-10-09107
  17. 2026-10-10103
  18. 2026-10-16109
  19. 2026-10-17113
  20. 2026-10-18111
  21. 2026-10-19112
  22. 2026-10-21113
  23. 2026-10-22112
  24. 2026-10-23109
  25. 2026-10-24108
  26. 2026-10-25109
  27. 2026-10-27108
  28. 2026-10-29107
  29. 2026-10-31109
Rating
unchanged since 01.09
reviewsrating 5.00 · 29 readings
  1. 2026-09-01reviews4rating5.00
  2. 2026-09-03reviews4rating5.00
  3. 2026-09-04reviews4rating5.00
  4. 2026-09-06reviews4rating5.00
  5. 2026-09-07reviews4rating5.00
  6. 2026-09-08reviews4rating5.00
  7. 2026-09-10reviews4rating5.00
  8. 2026-09-13reviews4rating5.00
  9. 2026-09-15reviews4rating5.00
  10. 2026-09-17reviews4rating5.00
  11. 2026-09-20reviews4rating5.00
  12. 2026-09-25reviews4rating5.00
  13. 2026-09-27reviews4rating5.00
  14. 2026-10-04reviews4rating5.00
  15. 2026-10-08reviews4rating5.00
  16. 2026-10-09reviews4rating5.00
  17. 2026-10-10reviews4rating5.00
  18. 2026-10-16reviews4rating5.00
  19. 2026-10-17reviews4rating5.00
  20. 2026-10-18reviews4rating5.00
  21. 2026-10-19reviews4rating5.00
  22. 2026-10-21reviews4rating5.00
  23. 2026-10-22reviews4rating5.00
  24. 2026-10-23reviews4rating5.00
  25. 2026-10-24reviews4rating5.00
  26. 2026-10-25reviews4rating5.00
  27. 2026-10-27reviews4rating5.00
  28. 2026-10-29reviews4rating5.00
  29. 2026-10-31reviews4rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

  • Run its own code on the pages it can access scripting
  • See when you navigate between pages webNavigation
  • Act on the current tab, but only after you click it activeTab
Show the remaining 1
  • Declares commands

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

Like this one

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  1. Highlight HTML Headings Describes nearly the same job, smaller audience 2k users ★ 5.0
  2. M.I.T GROUP - H Tag Checker Describes nearly the same job, smaller audience 228 users ★ 5.0
  3. Heading Highlighter Describes nearly the same job, smaller audience 24 users
  4. CAFE PHỐ WALL VŨNG TÀU - H Tag Checker Describes nearly the same job, smaller audience 6 users
  5. Heading Structure Viewer Describes nearly the same job, smaller audience 11 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/pbbjnbalndmkdfijnkmnonbofekccnkh/badge.svg)](https://extops.dev/extensions/pbbjnbalndmkdfijnkmnonbofekccnkh)

HTML

<a href="https://extops.dev/extensions/pbbjnbalndmkdfijnkmnonbofekccnkh"><img src="https://extops.dev/extensions/pbbjnbalndmkdfijnkmnonbofekccnkh/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-31. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built