Ext Ops Panel
Open the app

Header Kit - HTTP Header & Cookie Editor

Chrome extension by KitLabs AI · Productivity · Developer

A Chrome extension in Productivity · Developer with 16 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 2 screenshots

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

Users
16
Rating
2.0 (1 ratings)
Users, last 16 days
+1
Rating, last 30 days
Not watched long enough to say
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 31.08
14-16 · 8 readings
  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
Rating
+2.00 since 31.08
reviewsrating 0.00-3.50 · 8 readings
  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
Users
+1 since 31.08
14-16 · 8 readings
  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
Rating
+2.00 since 31.08
reviewsrating 0.00-3.50 · 8 readings
  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

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 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
  • Store data in your browser storage
  • Organise your tabs into groups tabGroups

The full permission history for this extension

What changed recently

  1. Store badges changed

The publisher

KitLabs AI publishes 6 listings we track, 65 users between them. Listed website: kitlabs.top.

  1. Volume Kit - Volume Booster & Equalizer KitLabs AI · Productivity · Tools · published 2026-07-13 12 users
  2. Darkmode Kit - Dark Mode & Eye Care KitLabs AI · Productivity · Tools · published 2026-08-06 10 users
  3. Voice Kit - Audio Recorder & Live Captions KitLabs AI · Productivity · Tools · published 2026-07-18 10 users ★ 3.0
Show 2 more from this publisher
  1. Tabs Kit - Tab Manager & Group Organizer KitLabs AI · Productivity · Tools · published 2026-07-20 9 users ★ 5.0
  2. Clean Kit - Cache, Cookies & History Cleaner KitLabs AI · Productivity · Tools · published 2026-08-01 8 users

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 73 users
  2. HeaderPilot Describes nearly the same job, smaller audience 7 users ★ 5.0
  3. RequestKit Describes nearly the same job, smaller audience 3 users
  4. HeaderKit Describes nearly the same job, smaller audience 71 users
  5. RequestHeaders — Modify HTTP Headers Describes nearly the same job, smaller audience 18 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.