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Header Manager

Chrome extension by BSY Corporation · Productivity · Developer

A Chrome extension in Productivity · Developer with 3 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
3
Rating
not rated yet
Users, last 11 days
+1
Version
0.0.1
Updated in the store
2026-09-08
Published
2026-09-07
Manifest
V3
Browser access
4 permissions, 1 site pattern

How it has moved

Users
+1 since 08.09
0-5 · 6 readings
2026-09-08: appeared in the store
  1. 2026-09-082appeared in the store
  2. 2026-09-103
  3. 2026-09-130
  4. 2026-09-155
  5. 2026-09-163
  6. 2026-09-183
Users
+1 since 08.09
0-5 · 6 readings
2026-09-08: appeared in the store
  1. 2026-09-082appeared in the store
  2. 2026-09-103
  3. 2026-09-130
  4. 2026-09-155
  5. 2026-09-163
  6. 2026-09-183

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.

  • Read and change cookies on the sites it can access cookies
  • Block or redirect requests by rules it declares in advance declarativeNetRequest
  • See when you navigate between pages webNavigation
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

What changed recently

  1. Store badges changed
  2. Appeared in the store

The publisher

BSY Corporation.

Like this one

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

  1. Header Studio Describes nearly the same job, smaller audience 712 users
  2. HeaderCraft Pro: Fast & Private MV3 Request Describes nearly the same job, smaller audience 3 users (last published figure)
  3. Header Forge Describes nearly the same job, smaller audience 34 users ★ 5.0
  4. HeaderKits Describes nearly the same job, smaller audience 4 users ★ 5.0
  5. Forced Headers Describes nearly the same job, smaller audience 574 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.

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.