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Header Override: Modify HTTP Headers & Cookies

Chrome extension by Header Override · Productivity · Developer

  • Established publisher

A Chrome extension in Productivity · Developer with 717 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 5 screenshots

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

Users
717
Rating
5.0 (20 ratings)
Users, last 17 days
+420
Rating, last 30 days
Not watched long enough to say
Version
1.0.11
Updated in the store
2026-08-24
Published
2026-07-12
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
+420 since 31.08
297-717 · 12 readings
2026-09-02: no longer featured2026-09-02: gained the good publisher record badge
  1. 2026-08-31297
  2. 2026-09-02333no longer featuredgained the good publisher record badge
  3. 2026-09-03385
  4. 2026-09-04471
  5. 2026-09-05482
  6. 2026-09-06487
  7. 2026-09-07495
  8. 2026-09-08536
  9. 2026-09-09584
  10. 2026-09-13709
  11. 2026-09-15717
  12. 2026-09-16717
Rating
unchanged since 31.08
reviewsrating 5.00 · 12 readings
2026-09-02: no longer featured2026-09-02: gained the good publisher record badge
  1. 2026-08-31reviews19rating5.00
  2. 2026-09-02reviews19rating5.00no longer featuredgained the good publisher record badge
  3. 2026-09-03reviews19rating5.00
  4. 2026-09-04reviews19rating5.00
  5. 2026-09-05reviews19rating5.00
  6. 2026-09-06reviews19rating5.00
  7. 2026-09-07reviews20rating5.00
  8. 2026-09-08reviews20rating5.00
  9. 2026-09-09reviews20rating5.00
  10. 2026-09-13reviews20rating5.00
  11. 2026-09-15reviews20rating5.00
  12. 2026-09-16reviews20rating5.00
Users
+420 since 31.08
297-717 · 12 readings
2026-09-02: no longer featured2026-09-02: gained the good publisher record badge
  1. 2026-08-31297
  2. 2026-09-02333no longer featuredgained the good publisher record badge
  3. 2026-09-03385
  4. 2026-09-04471
  5. 2026-09-05482
  6. 2026-09-06487
  7. 2026-09-07495
  8. 2026-09-08536
  9. 2026-09-09584
  10. 2026-09-13709
  11. 2026-09-15717
  12. 2026-09-16717
Rating
unchanged since 31.08
reviewsrating 5.00 · 12 readings
2026-09-02: no longer featured2026-09-02: gained the good publisher record badge
  1. 2026-08-31reviews19rating5.00
  2. 2026-09-02reviews19rating5.00no longer featuredgained the good publisher record badge
  3. 2026-09-03reviews19rating5.00
  4. 2026-09-04reviews19rating5.00
  5. 2026-09-05reviews19rating5.00
  6. 2026-09-06reviews19rating5.00
  7. 2026-09-07reviews20rating5.00
  8. 2026-09-08reviews20rating5.00
  9. 2026-09-09reviews20rating5.00
  10. 2026-09-13reviews20rating5.00
  11. 2026-09-15reviews20rating5.00
  12. 2026-09-16reviews20rating5.00

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.

  • 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

  1. Store badges changed

The publisher

Header Override publishes 2 listings we track, 726 users between them. Listed website: headeroverride.com.

  1. StatusMock: Modify Status Codes & Responses Header Override · Productivity · Developer · published 2026-08-27 9 users ★ 5.0

Like this one

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

  1. OpenModHeader Describes nearly the same job, smaller audience 45 users
  2. HeaderMod Describes nearly the same job, smaller audience 164 users ★ 5.0
  3. HTTP Header Manager Describes nearly the same job, smaller audience 10 users
  4. Modify Header Describes nearly the same job, smaller audience 1k users ★ 5.0
  5. Configurable Header Manager Describes nearly the same job, smaller audience 4 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.