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TabMaster

Chrome extension by mmjimmy1109 · Productivity · Tools

A Chrome extension in Productivity · Tools with 5 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
5
Rating
not rated yet
Users, last 15 days
+1
Version
1.3.4
Updated in the store
2026-09-06
Published
2026-01-14
Manifest
V3
Browser access
5 permissions, 1 site pattern

How it has moved

Users
+1 since 01.09
4-5 · 6 readings
2026-09-05: released 1.3.12026-09-06: released 1.3.4
  1. 2026-09-014
  2. 2026-09-025
  3. 2026-09-055released 1.3.1
  4. 2026-09-064released 1.3.4
  5. 2026-09-094
  6. 2026-09-155
Users
+1 since 01.09
4-5 · 6 readings
2026-09-05: released 1.3.12026-09-06: released 1.3.4
  1. 2026-09-014
  2. 2026-09-025
  3. 2026-09-055released 1.3.1
  4. 2026-09-064released 1.3.4
  5. 2026-09-094
  6. 2026-09-155

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
  • Schedule work to run later alarms
  • Show you notifications notifications
Show the remaining 2
  • Store data in your browser storage
  • Organise your tabs into groups tabGroups

The full permission history for this extension

Version history

  1. Version 1.3.4 · Asked for more permissions (6, was 5)
  2. Version 1.3.1 · Asked for more permissions (5, was 3)

What changed recently

  1. Package size changed
  2. Asked for more permissions (6, was 5)
  3. Released version 1.3.4 (was 1.3.1)
Show the remaining 3
  1. Package size changed
  2. Asked for more permissions (5, was 3)
  3. Released version 1.3.1 (was 1.2)

The publisher

mmjimmy1109 publishes 3 listings we track, 20 users between them.

  1. Auto Collapse for Tab Groups mmjimmy1109 · Productivity · Tools · published 2026-01-17 11 users
  2. Bulk QR Code Generator mmjimmy1109 · Productivity · Tools · published 2025-12-17 4 users

Like this one

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

  1. Tab Group Timer Describes nearly the same job, smaller audience 3 users ★ 4.0
  2. Tabs Kit - Tab Manager & Group Organizer Describes nearly the same job, smaller audience 9 users ★ 5.0
  3. TabMind Describes nearly the same job, smaller audience 6 users ★ 5.0
  4. Time aware Tab Manager Describes nearly the same job, smaller audience 10 users
  5. Tab Group Keeper Describes nearly the same job, smaller audience 301 users ★ 5.0

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.