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TabMaster — Tab and Bookmark Manager

Chrome extension by RTM · Productivity · Tools

A Chrome extension in Productivity · Tools with 9 users, barely installed. Audience over the last 30 days: -3.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 2 screenshots

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

Users
9
Rating
not rated yet
Users, last 30 days
-3
Version
2.1.0
Updated in the store
2026-09-14
Published
2025-06-17
Manifest
V3
Browser access
7 permissions

How it has moved

Users
-3 since 01.10
8-12 · 12 readings
  1. 2026-10-088
  2. 2026-10-0910
  3. 2026-10-109
  4. 2026-10-118
  5. 2026-10-189
  6. 2026-10-208
  7. 2026-10-219
  8. 2026-10-228
  9. 2026-10-249
  10. 2026-10-258
  11. 2026-10-299
  12. 2026-10-319
Users
-1 since 31.08
8-12 · 20 readings
2026-09-14: released 2.1.0
  1. 2026-08-3110
  2. 2026-09-0612
  3. 2026-09-0711
  4. 2026-09-0812
  5. 2026-09-0911
  6. 2026-09-1512
  7. 2026-09-1611
  8. 2026-09-2612
  9. 2026-10-088
  10. 2026-10-0910
  11. 2026-10-109
  12. 2026-10-118
  13. 2026-10-189
  14. 2026-10-208
  15. 2026-10-219
  16. 2026-10-228
  17. 2026-10-249
  18. 2026-10-258
  19. 2026-10-299
  20. 2026-10-319

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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Read and change your browsing history history
  • See the address and title of every tab you have open tabs
  • Read and change your bookmarks bookmarks
Show the remaining 4
  • See and restore recently closed tabs sessions
  • Read site icons favicon
  • Run searches in your default search engine search
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 2.1.0 · Asked for more permissions (7, was 6)

What changed recently

  1. Now requires Chrome 104
  2. Package size changed
  3. Asked for more permissions (7, was 6)
Show the remaining 3
  1. Store description rewritten (46 → 109 characters)
  2. Renamed from "Tab and Bookmark Manager" to "TabMaster — Tab and Bookmark Manager"
  3. Released version 2.1.0 (was 1.5.0)

The publisher

RTM publishes 5 listings we track, 1k users between them.

  1. Browser Session Sync RTM · Productivity · Tools · published 2026-03-28 940 users (last published figure)
  2. Auto Close Tab RTM · Productivity · Developer · published 2026-04-29 94 users
  3. Bookmark Sync RTM · Productivity · Developer · published 2026-04-04 15 users ★ 5.0
Show 1 more from this publisher
  1. Smart Tab Manager RTM · Productivity · Workflow · published 2026-03-10 14 users

Like this one

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

  1. Tab Search Pro – Find Open Tabs & Bookmarks Fast Describes nearly the same job, smaller audience 7 users
  2. Quick Tab Search Describes nearly the same job, smaller audience 3 users (last published figure)
  3. Ferna Tabs Describes nearly the same job, smaller audience 8 users ★ 5.0
  4. Hook Tabs Describes nearly the same job, smaller audience 6 users ★ 4.0
  5. Tab Spotlight Describes nearly the same job, smaller audience 24 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

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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 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built