Ext Ops Panel
Open dashboard

Modify Header

Chrome extension by injectjsteam · Productivity · Developer

A Chrome extension in Productivity · Developer with 38 users, barely installed. Audience over the last 30 days: +6.

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

What the developer says, and 5 screenshots

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

Users
38
Rating
not rated yet
Users, last 30 days
+6
Version
0.1.0
Updated in the store
2026-07-14
Published
2026-07-14
Manifest
V3
Browser access
3 permissions, 1 site pattern

How it has moved

Users
+6 since 01.10
32-41 · 18 readings
  1. 2026-10-0834
  2. 2026-10-0935
  3. 2026-10-1034
  4. 2026-10-1135
  5. 2026-10-1337
  6. 2026-10-1638
  7. 2026-10-1740
  8. 2026-10-1841
  9. 2026-10-1939
  10. 2026-10-2040
  11. 2026-10-2238
  12. 2026-10-2336
  13. 2026-10-2439
  14. 2026-10-2537
  15. 2026-10-2838
  16. 2026-10-2939
  17. 2026-10-3038
  18. 2026-10-3138
Users
+11 since 01.09
27-41 · 29 readings
  1. 2026-09-0127
  2. 2026-09-0628
  3. 2026-09-0727
  4. 2026-09-0827
  5. 2026-09-1030
  6. 2026-09-1331
  7. 2026-09-1532
  8. 2026-09-1636
  9. 2026-09-2035
  10. 2026-09-2133
  11. 2026-09-2832
  12. 2026-10-0834
  13. 2026-10-0935
  14. 2026-10-1034
  15. 2026-10-1135
  16. 2026-10-1337
  17. 2026-10-1638
  18. 2026-10-1740
  19. 2026-10-1841
  20. 2026-10-1939
  21. 2026-10-2040
  22. 2026-10-2238
  23. 2026-10-2336
  24. 2026-10-2439
  25. 2026-10-2537
  26. 2026-10-2838
  27. 2026-10-2939
  28. 2026-10-3038
  29. 2026-10-3138

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.

  • See the address and title of every tab you have open tabs
  • Block or redirect requests by rules it declares in advance declarativeNetRequest
  • Store data in your browser storage

The full permission history for this extension

What changed recently

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

The publisher

injectjsteam publishes 2 listings we track, 987 users between them.

  1. InjectJS – JavaScript Injector & Custom Script Manager injectjsteam · Productivity · Developer · published 2025-07-15 949 users ★ 4.3

Like this one

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

  1. Configurable Header Manager Describes nearly the same job, smaller audience 3 users
  2. HeaderModifier Describes nearly the same job, smaller audience 9 users
  3. Header Modifier Describes nearly the same job, smaller audience 5 users
  4. Lite Modify Headers Describes nearly the same job, smaller audience 5 users
  5. Custom Headers - Modify HTTP Headers Describes nearly the same job, smaller audience 775 users ★ 5.0

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

HTML

<a href="https://extops.dev/extensions/fkpphfbpbhnomffhncmpnbfakfkcfabg"><img src="https://extops.dev/extensions/fkpphfbpbhnomffhncmpnbfakfkcfabg/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 2026-10-30. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built