Close duplicate tabs

Finds and closes duplicate tabs by URL. Will assume that URLs in different contextual identities are not the same URL and will not be closed.
Close Duplicate Tabs is a Firefox add-on that efficiently finds and closes duplicate tabs in a snap. It scans through open tabs and identifies duplicates based on the URL. With this handy tool, you can declutter your browsing experience by eliminating multiple instances of the same webpage.
Manifest V2
Daily users: 237
-7
Version: 0.3resigned1 (Last updated: 2024-04-25)
Version code: 5727620
Creation date: 2017-02-17
Weekly download count: 5
Firefox on Android: Yes
Permissions:
  • cookies
  • notifications
  • tabs
Size: 9.87K
URLs: Website
Full description: See detailed description
Updated: 20 hours ago

User reviews



Mozilla Firefox 136.0b9 (64-bit) — does not recognize pages with `#heading=` as the same.
by Korwin, 2025-02-23
View all user reviews

Add-on safety

Risk impact

Close duplicate tabs requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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  • Low ******* ****** ** *** ********* ********
Risk likelihood

Close duplicate tabs has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
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