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KillTab

Chrome extension by AI Northstar Tech · Productivity · Tools

A Chrome extension in Productivity · Tools with 2 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
2 (the store no longer states an audience; this is the last figure it published)
Rating
not rated yet
Users, last 14 days
+2
Version
0.1.2
Updated in the store
2026-07-22
Published
2026-07-22
Manifest
V3
Browser access
5 permissions, 1 site pattern

How it has moved

Users
+2 since 01.09
0-5 · 7 readings
  1. 2026-09-010
  2. 2026-09-024
  3. 2026-09-035
  4. 2026-09-083
  5. 2026-09-102
  6. 2026-09-130
  7. 2026-09-142
Users
+2 since 01.09
0-5 · 7 readings
  1. 2026-09-010
  2. 2026-09-024
  3. 2026-09-035
  4. 2026-09-083
  5. 2026-09-102
  6. 2026-09-130
  7. 2026-09-142

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.

  • Attach to pages the way developer tools do debugger
  • See the address and title of every tab you have open tabs
  • Act on the current tab, but only after you click it activeTab
Show the remaining 2
  • Schedule work to run later alarms
  • Add items to the right-click menu contextMenus

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

AI Northstar Tech publishes 5 listings we track, 311 users between them.

  1. Hugging Face Model Size AI Northstar Tech · Productivity · Workflow · published 2023-05-31 276 users ★ 3.0
  2. OpenAI Finetune JSONL Generator AI Northstar Tech · Productivity · Developer · published 2023-11-17 24 users
  3. Tab Tint AI Northstar Tech · Make Chrome Yours · Functionality · published 2026-07-21 6 users
Show 1 more from this publisher
  1. Read — Article Voice Reader AI Northstar Tech · Make Chrome Yours · Accessibility · published 2026-07-23 3 users

Like this one

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

  1. Tab Manager & Resource Monitor – CPU, RAM Usage per Tab Describes nearly the same job, smaller audience 436 users ★ 3.0
  2. Tab Memory Saver Describes nearly the same job, smaller audience 100 users ★ 4.6
  3. Tab Resource Usage Dashboard Describes nearly the same job, smaller audience 80 users
  4. TabDiet Describes nearly the same job, smaller audience 6 users (last published figure) ★ 5.0
  5. TabPulse Describes nearly the same job, smaller audience 3 users (last published figure)

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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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.