Ext Ops Panel
Open dashboard

HeaderMod

Chrome extension by drewan · Productivity · Developer

A Chrome extension in Productivity · Developer with 209 users, barely installed. Audience over the last 30 days: +47.

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

What the developer says, and 3 screenshots

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

Users
209
Rating
5.0 (2 ratings)
Users, last 30 days
+47
Rating, last 30 days
Steady over 30 days
Version
1.0.0
Updated in the store
2026-07-12
Published
2026-07-12
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
+47 since 12.10
162-209 · 18 readings
  1. 2026-10-13168
  2. 2026-10-16177
  3. 2026-10-18179
  4. 2026-10-19185
  5. 2026-10-21187
  6. 2026-10-23194
  7. 2026-10-24189
  8. 2026-10-25190
  9. 2026-10-27198
  10. 2026-10-29197
  11. 2026-11-01193
  12. 2026-11-03194
  13. 2026-11-06196
  14. 2026-11-07202
  15. 2026-11-08203
  16. 2026-11-09204
  17. 2026-11-10209
  18. 2026-11-11209
Rating
unchanged since 12.10
reviewsrating 5.00 · 18 readings
  1. 2026-10-13reviews2rating5.00
  2. 2026-10-16reviews2rating5.00
  3. 2026-10-18reviews2rating5.00
  4. 2026-10-19reviews2rating5.00
  5. 2026-10-21reviews2rating5.00
  6. 2026-10-23reviews2rating5.00
  7. 2026-10-24reviews2rating5.00
  8. 2026-10-25reviews2rating5.00
  9. 2026-10-27reviews2rating5.00
  10. 2026-10-29reviews2rating5.00
  11. 2026-11-01reviews2rating5.00
  12. 2026-11-03reviews2rating5.00
  13. 2026-11-06reviews2rating5.00
  14. 2026-11-07reviews2rating5.00
  15. 2026-11-08reviews2rating5.00
  16. 2026-11-09reviews2rating5.00
  17. 2026-11-10reviews2rating5.00
  18. 2026-11-11reviews2rating5.00
Users
+60 since 31.08
144-209 · 35 readings
  1. 2026-08-31149
  2. 2026-09-02155
  3. 2026-09-04151
  4. 2026-09-07153
  5. 2026-09-09158
  6. 2026-09-10157
  7. 2026-09-13162
  8. 2026-09-15164
  9. 2026-09-16161
  10. 2026-09-21163
  11. 2026-09-25170
  12. 2026-09-26167
  13. 2026-09-28166
  14. 2026-10-04157
  15. 2026-10-08144
  16. 2026-10-09157
  17. 2026-10-10162
  18. 2026-10-13168
  19. 2026-10-16177
  20. 2026-10-18179
  21. 2026-10-19185
  22. 2026-10-21187
  23. 2026-10-23194
  24. 2026-10-24189
  25. 2026-10-25190
  26. 2026-10-27198
  27. 2026-10-29197
  28. 2026-11-01193
  29. 2026-11-03194
  30. 2026-11-06196
  31. 2026-11-07202
  32. 2026-11-08203
  33. 2026-11-09204
  34. 2026-11-10209
  35. 2026-11-11209
Rating
unchanged since 31.08
reviewsrating 5.00 · 35 readings
  1. 2026-08-31reviews2rating5.00
  2. 2026-09-02reviews2rating5.00
  3. 2026-09-04reviews2rating5.00
  4. 2026-09-07reviews2rating5.00
  5. 2026-09-09reviews2rating5.00
  6. 2026-09-10reviews2rating5.00
  7. 2026-09-13reviews2rating5.00
  8. 2026-09-15reviews2rating5.00
  9. 2026-09-16reviews2rating5.00
  10. 2026-09-21reviews2rating5.00
  11. 2026-09-25reviews2rating5.00
  12. 2026-09-26reviews2rating5.00
  13. 2026-09-28reviews2rating5.00
  14. 2026-10-04reviews2rating5.00
  15. 2026-10-08reviews2rating5.00
  16. 2026-10-09reviews2rating5.00
  17. 2026-10-10reviews2rating5.00
  18. 2026-10-13reviews2rating5.00
  19. 2026-10-16reviews2rating5.00
  20. 2026-10-18reviews2rating5.00
  21. 2026-10-19reviews2rating5.00
  22. 2026-10-21reviews2rating5.00
  23. 2026-10-23reviews2rating5.00
  24. 2026-10-24reviews2rating5.00
  25. 2026-10-25reviews2rating5.00
  26. 2026-10-27reviews2rating5.00
  27. 2026-10-29reviews2rating5.00
  28. 2026-11-01reviews2rating5.00
  29. 2026-11-03reviews2rating5.00
  30. 2026-11-06reviews2rating5.00
  31. 2026-11-07reviews2rating5.00
  32. 2026-11-08reviews2rating5.00
  33. 2026-11-09reviews2rating5.00
  34. 2026-11-10reviews2rating5.00
  35. 2026-11-11reviews2rating5.00

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.

The full permission history for this extension

What changed recently

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

The publisher

drewan.

Like this one

Listings the catalog judges closest in what they say they do.

  1. OpenModHeader Describes nearly the same job, smaller audience 91 users
  2. Header Modifier Describes nearly the same job, smaller audience 44 users
  3. Header Modifier Describes nearly the same job, smaller audience 8 users
  4. ModHeader V1 Describes nearly the same job, smaller audience 2k users ★ 4.0
  5. Custom Modify Headers Describes nearly the same job, smaller audience 9 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.

Want this mark on your extension in our catalog?

Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

Add a badge to your README or site

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/miokmeolfgjhdnglkhpklejlhdkdfkid/badge.svg)](https://extops.dev/extensions/miokmeolfgjhdnglkhpklejlhdkdfkid)

HTML

<a href="https://extops.dev/extensions/miokmeolfgjhdnglkhpklejlhdkdfkid"><img src="https://extops.dev/extensions/miokmeolfgjhdnglkhpklejlhdkdfkid/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 2026-11-10. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built