Ext Ops Panel
Open the app

ModHeaders

Chrome extension by DoomSec · Productivity · Developer

A Chrome extension in Productivity · Developer with 22 users, barely installed.

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
22
Rating
5.0 (1 ratings)
Users, last 19 days
+22
Rating, last 30 days
Not watched long enough to say
Version
1.0.0
Updated in the store
2026-08-25
Published
2026-08-25
Manifest
V3
Browser access
4 permissions, 1 site pattern

How it has moved

Users
+22 since 31.08
0-22 · 11 readings
  1. 2026-08-310
  2. 2026-09-038
  3. 2026-09-0413
  4. 2026-09-0614
  5. 2026-09-0714
  6. 2026-09-0815
  7. 2026-09-1017
  8. 2026-09-1320
  9. 2026-09-1521
  10. 2026-09-1722
  11. 2026-09-1822
Rating
+5.00 since 31.08
reviewsrating 0.00-5.00 · 11 readings
  1. 2026-08-31reviews0rating0.00
  2. 2026-09-03reviews0rating0.00
  3. 2026-09-04reviews0rating0.00
  4. 2026-09-06reviews0rating0.00
  5. 2026-09-07reviews0rating0.00
  6. 2026-09-08reviews0rating0.00
  7. 2026-09-10reviews1rating5.00
  8. 2026-09-13reviews1rating5.00
  9. 2026-09-15reviews1rating5.00
  10. 2026-09-17reviews1rating5.00
  11. 2026-09-18reviews1rating5.00
Users
+22 since 31.08
0-22 · 11 readings
  1. 2026-08-310
  2. 2026-09-038
  3. 2026-09-0413
  4. 2026-09-0614
  5. 2026-09-0714
  6. 2026-09-0815
  7. 2026-09-1017
  8. 2026-09-1320
  9. 2026-09-1521
  10. 2026-09-1722
  11. 2026-09-1822
Rating
+5.00 since 31.08
reviewsrating 0.00-5.00 · 11 readings
  1. 2026-08-31reviews0rating0.00
  2. 2026-09-03reviews0rating0.00
  3. 2026-09-04reviews0rating0.00
  4. 2026-09-06reviews0rating0.00
  5. 2026-09-07reviews0rating0.00
  6. 2026-09-08reviews0rating0.00
  7. 2026-09-10reviews1rating5.00
  8. 2026-09-13reviews1rating5.00
  9. 2026-09-15reviews1rating5.00
  10. 2026-09-17reviews1rating5.00
  11. 2026-09-18reviews1rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once 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 which of its blocking rules matched declarativeNetRequestFeedback
  • Block or redirect requests on the sites it can access declarativeNetRequestWithHostAccess
  • Open a panel beside the page sidePanel
Show the remaining 1
  • 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

DoomSec publishes 3 listings we track, 451 users between them.

  1. h4ck3r DoomSec · Productivity · Developer · published 2021-09-14 320 users ★ 5.0
  2. Browser AI Agent DoomSec · Productivity · Tools · published 2026-01-04 109 users ★ 5.0

Like this one

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

  1. headerMod — Modify HTTP Headers Describes nearly the same job, smaller audience 25 users
  2. Modify Header Describes nearly the same job, smaller audience 36 users
  3. Configurable Header Manager Describes nearly the same job, smaller audience 3 users
  4. Modify Headers — HeaderSmith (MV3 ModHeader alternative) Describes nearly the same job, smaller audience 127 users ★ 5.0
  5. Mod Header Describes nearly the same job, smaller audience 1k 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.

Is this your extension?

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

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.