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Duplicate Tabs Preventor

Chrome extension by Viking · Productivity · Workflow

A Chrome extension in Productivity · Workflow with 260 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
260
Rating
4.5 (4 ratings)
Users, last 14 days
-12
Rating, last 30 days
Not watched long enough to say
Version
0.8.3
Updated in the store
2026-04-27
Published
2025-04-26
Manifest
V3
Browser access
3 permissions, 1 site pattern

How it has moved

Users
-12 since 01.09
259-274 · 9 readings
  1. 2026-09-01272
  2. 2026-09-03274
  3. 2026-09-04273
  4. 2026-09-06266
  5. 2026-09-08262
  6. 2026-09-09260
  7. 2026-09-10259
  8. 2026-09-13260
  9. 2026-09-14260
Rating
unchanged since 01.09
reviewsrating 4.50 · 9 readings
  1. 2026-09-01reviews4rating4.50
  2. 2026-09-03reviews4rating4.50
  3. 2026-09-04reviews4rating4.50
  4. 2026-09-06reviews4rating4.50
  5. 2026-09-08reviews4rating4.50
  6. 2026-09-09reviews4rating4.50
  7. 2026-09-10reviews4rating4.50
  8. 2026-09-13reviews4rating4.50
  9. 2026-09-14reviews4rating4.50
Users
-12 since 01.09
259-274 · 9 readings
  1. 2026-09-01272
  2. 2026-09-03274
  3. 2026-09-04273
  4. 2026-09-06266
  5. 2026-09-08262
  6. 2026-09-09260
  7. 2026-09-10259
  8. 2026-09-13260
  9. 2026-09-14260
Rating
unchanged since 01.09
reviewsrating 4.50 · 9 readings
  1. 2026-09-01reviews4rating4.50
  2. 2026-09-03reviews4rating4.50
  3. 2026-09-04reviews4rating4.50
  4. 2026-09-06reviews4rating4.50
  5. 2026-09-08reviews4rating4.50
  6. 2026-09-09reviews4rating4.50
  7. 2026-09-10reviews4rating4.50
  8. 2026-09-13reviews4rating4.50
  9. 2026-09-14reviews4rating4.50

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing 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
  • Manage your downloads downloads
  • Store data in your browser storage

The full permission history for this extension

What changed recently

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

The publisher

Viking publishes 2 listings we track, 300 users between them.

  1. TabHarbor Viking · Productivity · Workflow · published 2026-04-18 40 users ★ 5.0

Like this one

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

  1. TabWatchDog Describes nearly the same job, smaller audience 27 users
  2. TabDedup Describes nearly the same job, smaller audience 9 users
  3. Anti-Duplicate Describes nearly the same job, smaller audience 10 users
  4. TabSanity Describes nearly the same job, smaller audience 19 users ★ 5.0
  5. Tab Twin — Duplicate Tab Detector Describes nearly the same job, smaller audience 8 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.

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.