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Prevent Duplicate Tabs

Chrome extension by SQ Tech · Productivity · Tools

  • Featured
  • Established publisher

A Chrome extension in Productivity · Tools with 855 users, barely installed.

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
855
Rating
4.2 (4 ratings)
Users, last 19 days
+16
Rating, last 30 days
Not watched long enough to say
Version
1.8.2
Updated in the store
2026-09-06
Published
2025-08-12
Manifest
V3
Browser access
4 permissions

How it has moved

Users
+16 since 31.08
813-865 · 9 readings
2026-09-06: released 1.8.2
  1. 2026-08-31839
  2. 2026-09-03846
  3. 2026-09-04813
  4. 2026-09-06830released 1.8.2
  5. 2026-09-09832
  6. 2026-09-10856
  7. 2026-09-13865
  8. 2026-09-17855
  9. 2026-09-18855
Rating
unchanged since 31.08
reviewsrating 4.25 · 9 readings
2026-09-06: released 1.8.2
  1. 2026-08-31reviews4rating4.25
  2. 2026-09-03reviews4rating4.25
  3. 2026-09-04reviews4rating4.25
  4. 2026-09-06reviews4rating4.25released 1.8.2
  5. 2026-09-09reviews4rating4.25
  6. 2026-09-10reviews4rating4.25
  7. 2026-09-13reviews4rating4.25
  8. 2026-09-17reviews4rating4.25
  9. 2026-09-18reviews4rating4.25
Users
+16 since 31.08
813-865 · 9 readings
2026-09-06: released 1.8.2
  1. 2026-08-31839
  2. 2026-09-03846
  3. 2026-09-04813
  4. 2026-09-06830released 1.8.2
  5. 2026-09-09832
  6. 2026-09-10856
  7. 2026-09-13865
  8. 2026-09-17855
  9. 2026-09-18855
Rating
unchanged since 31.08
reviewsrating 4.25 · 9 readings
2026-09-06: released 1.8.2
  1. 2026-08-31reviews4rating4.25
  2. 2026-09-03reviews4rating4.25
  3. 2026-09-04reviews4rating4.25
  4. 2026-09-06reviews4rating4.25released 1.8.2
  5. 2026-09-09reviews4rating4.25
  6. 2026-09-10reviews4rating4.25
  7. 2026-09-13reviews4rating4.25
  8. 2026-09-17reviews4rating4.25
  9. 2026-09-18reviews4rating4.25

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

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

  • See the address and title of every tab you have open tabs
  • Add items to the right-click menu contextMenus
  • Store data in your browser storage
Show the remaining 1
  • Declares windows

The full permission history for this extension

Version history

  1. Version 1.8.2

What changed recently

  1. Store description rewritten
  2. Released version 1.8.2 (was 1.8.0)

The publisher

SQ Tech publishes 6 listings we track, 11k users between them. Listed website: sqtech.dev.

  1. Skip Wait - Bypass Timers & Countdowns SQ Tech · Productivity · Tools · published 2026-02-19 10k users ★ 4.2
  2. VisitMark - Highlight visited links with custom colors SQ Tech · Make Chrome Yours · Functionality · published 2025-09-23 446 users ★ 4.7
  3. Auto Group Tabs SQ Tech · Productivity · Workflow · published 2026-02-19 90 users ★ 1.0
Show 2 more from this publisher
  1. HistoryGuard Pro SQ Tech · Make Chrome Yours · Privacy · published 2025-09-09 82 users
  2. WhatsApp Direct Message SQ Tech · Productivity · Communication · published 2025-11-05 23 users

Like this one

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

  1. No Duplicate Tabs Describes nearly the same job, smaller audience 12 users
  2. No Dupe Tabs — Automatic, remove the clutter. Describes nearly the same job, smaller audience 23 users
  3. Duplicate Tab Prevention - No Tab Twice Describes nearly the same job, smaller audience 18 users ★ 5.0
  4. Duplicate Tab Guard Describes nearly the same job, smaller audience 1 user
  5. Duplicate Tab Closer Describes nearly the same job, smaller audience 5 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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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.