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Duplicate Tab Guard

Chrome extension by niletronics · Productivity · Tools

A Chrome extension in Productivity · Tools with 0 users, no reported installs.

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

What the developer says, and 4 screenshots

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

Users
not published (the store states no audience for this listing)
Rating
not rated yet
Users over time
Not watched long enough to say
Version
1.1.2
Updated in the store
2026-09-13
Published
2026-09-13
Manifest
V3
Browser access
3 permissions

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
  • See when you navigate between pages webNavigation
  • Store data in your browser storage

The full permission history for this extension

What changed recently

  1. Appeared in the store

The publisher

niletronics.

Like this one

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

  1. Duplicate Tab Guard Describes nearly the same job, smaller audience 5 users ★ 5.0
  2. DupeNope Describes nearly the same job, smaller audience 9 users ★ 5.0
  3. Tab Twin — Duplicate Tab Detector Describes nearly the same job, smaller audience 8 users ★ 5.0
  4. TabWatchDog Describes nearly the same job, smaller audience 27 users
  5. Duplicate Tab Detector Describes nearly the same job, smaller audience 5k users ★ 4.1

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.