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HTTP Header Manager

Chrome extension by Lukas Nespor · Productivity · Developer

A Chrome extension in Productivity · Developer with 12 users, barely installed. Audience over the last 30 days: +4.

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
12
Rating
not rated yet
Users, last 30 days
+4
Version
1.0.0
Updated in the store
2026-07-23
Published
2026-07-23
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
+4 since 29.09
8-12 · 9 readings
  1. 2026-10-089
  2. 2026-10-108
  3. 2026-10-1610
  4. 2026-10-1711
  5. 2026-10-1810
  6. 2026-10-2111
  7. 2026-10-2211
  8. 2026-10-2312
  9. 2026-10-2912
Users
+12 since 01.09
0-12 · 20 readings
  1. 2026-09-010
  2. 2026-09-029
  3. 2026-09-0310
  4. 2026-09-059
  5. 2026-09-0810
  6. 2026-09-099
  7. 2026-09-1510
  8. 2026-09-179
  9. 2026-09-2010
  10. 2026-09-257
  11. 2026-09-268
  12. 2026-10-089
  13. 2026-10-108
  14. 2026-10-1610
  15. 2026-10-1711
  16. 2026-10-1810
  17. 2026-10-2111
  18. 2026-10-2211
  19. 2026-10-2312
  20. 2026-10-2912

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

Lukas Nespor.

Like this one

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

  1. Modify Header Describes nearly the same job, smaller audience 1k users ★ 5.0
  2. HeaderNinja - HTTP Header Editor Describes nearly the same job, smaller audience 11 users
  3. HeaderPilot Describes nearly the same job, smaller audience 4 users (last published figure) ★ 5.0
  4. Header Forge Describes nearly the same job, smaller audience 3 users
  5. Header Editor Lite Describes nearly the same job, with a large installed audience 200k users ★ 4.2

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.

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Users and rating on Ext Ops Panel

Markdown

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HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-23. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built