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Header Kit - HTTP Header & Cookie Editor

Chrome extension by KitLabs AI · Productivity · Developer

  • Established publisher

A Chrome extension in Productivity · Developer with 12 users, barely installed. Audience over the last 30 days: -1.

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

What the developer says, and 2 screenshots

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

Users
12
Rating
3.5 (2 ratings)
Users, last 30 days
-1
Rating, last 30 days
+1.50 in 30 days
Version
0.4.0
Updated in the store
2026-09-09
Published
2026-07-16
Manifest
V3
Browser access
5 permissions, 1 site pattern

How it has moved

Users
-1 since 02.10
9-13 · 14 readings
  1. 2026-10-0410
  2. 2026-10-089
  3. 2026-10-0912
  4. 2026-10-1012
  5. 2026-10-1313
  6. 2026-10-1612
  7. 2026-10-1813
  8. 2026-10-1912
  9. 2026-10-2113
  10. 2026-10-2212
  11. 2026-10-2413
  12. 2026-10-2512
  13. 2026-10-2912
  14. 2026-11-0112
Rating
+1.50 since 02.10
reviewsrating 2.00-3.50 · 14 readings
  1. 2026-10-04reviews2rating3.50
  2. 2026-10-08reviews2rating3.50
  3. 2026-10-09reviews2rating3.50
  4. 2026-10-10reviews2rating3.50
  5. 2026-10-13reviews2rating3.50
  6. 2026-10-16reviews2rating3.50
  7. 2026-10-18reviews2rating3.50
  8. 2026-10-19reviews2rating3.50
  9. 2026-10-21reviews2rating3.50
  10. 2026-10-22reviews2rating3.50
  11. 2026-10-24reviews2rating3.50
  12. 2026-10-25reviews2rating3.50
  13. 2026-10-29reviews2rating3.50
  14. 2026-11-01reviews2rating3.50
Users
-3 since 31.08
9-16 · 26 readings
2026-10-01: gained the good publisher record badge
  1. 2026-08-3115
  2. 2026-09-0316
  3. 2026-09-0414
  4. 2026-09-0615
  5. 2026-09-0714
  6. 2026-09-0815
  7. 2026-09-1015
  8. 2026-09-1516
  9. 2026-09-2215
  10. 2026-09-2514
  11. 2026-09-2615
  12. 2026-09-2813
  13. 2026-10-0410
  14. 2026-10-089
  15. 2026-10-0912
  16. 2026-10-1012
  17. 2026-10-1313
  18. 2026-10-1612
  19. 2026-10-1813
  20. 2026-10-1912
  21. 2026-10-2113
  22. 2026-10-2212
  23. 2026-10-2413
  24. 2026-10-2512
  25. 2026-10-2912
  26. 2026-11-0112
Rating
+3.50 since 31.08
reviewsrating 0.00-3.50 · 26 readings
2026-10-01: gained the good publisher record badge
  1. 2026-08-31reviews0rating0.00
  2. 2026-09-03reviews0rating0.00
  3. 2026-09-04reviews0rating0.00
  4. 2026-09-06reviews0rating0.00
  5. 2026-09-07reviews1rating2.00
  6. 2026-09-08reviews1rating2.00
  7. 2026-09-10reviews2rating3.50
  8. 2026-09-15reviews1rating2.00
  9. 2026-09-22reviews1rating2.00
  10. 2026-09-25reviews1rating2.00
  11. 2026-09-26reviews1rating2.00
  12. 2026-09-28reviews1rating2.00
  13. 2026-10-04reviews2rating3.50
  14. 2026-10-08reviews2rating3.50
  15. 2026-10-09reviews2rating3.50
  16. 2026-10-10reviews2rating3.50
  17. 2026-10-13reviews2rating3.50
  18. 2026-10-16reviews2rating3.50
  19. 2026-10-18reviews2rating3.50
  20. 2026-10-19reviews2rating3.50
  21. 2026-10-21reviews2rating3.50
  22. 2026-10-22reviews2rating3.50
  23. 2026-10-24reviews2rating3.50
  24. 2026-10-25reviews2rating3.50
  25. 2026-10-29reviews2rating3.50
  26. 2026-11-01reviews2rating3.50

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
  • Act on the current tab, but only after you click it activeTab
Show the remaining 2

The full permission history for this extension

What changed recently

  1. Gained the Established publisher badge
  2. Store badges changed

The publisher

KitLabs AI publishes 6 listings we track, 43 users between them. Listed website: kitlabs.top.

  1. Voice Kit - Audio Recorder & Live Captions KitLabs AI · Productivity · Tools · published 2026-07-18 8 users ★ 3.7
  2. Volume Kit - Volume Booster & Equalizer KitLabs AI · Productivity · Tools · published 2026-07-13 7 users
  3. Darkmode Kit - Dark Mode & Eye Care KitLabs AI · Productivity · Tools · published 2026-08-06 6 users
Show 2 more from this publisher
  1. Clean Kit - Cache, Cookies & History Cleaner KitLabs AI · Productivity · Tools · published 2026-08-01 5 users
  2. Tabs Kit - Tab Manager & Group Organizer KitLabs AI · Productivity · Tools · published 2026-07-20 5 users ★ 5.0

Like this one

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

  1. DevHeaders - HTTP Header Editor & Modifier Describes nearly the same job, smaller audience 114 users ★ 5.0
  2. HeaderPilot Describes nearly the same job, smaller audience 7 users ★ 5.0
  3. HeaderForge Describes nearly the same job, smaller audience 4 users ★ 5.0
  4. RequestKit Describes nearly the same job, smaller audience 7 users
  5. HeaderKit Describes nearly the same job, smaller audience 82 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.

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

HTML

<a href="https://extops.dev/extensions/jacdmlnhdfhdfifhagbabohlihhgifej"><img src="https://extops.dev/extensions/jacdmlnhdfhdfifhagbabohlihhgifej/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 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built