Addon, to prevent the opening of tabs with urls, which are already opened (in the same context)

Prevent Opening Duplicate Tabs
Dont Open Duplicate Tabs is a Firefox add-on that prevents the opening of tabs with URLs that are already open. It offers features like enabling/disabling via the toolbar icon, whitelisting for allowing duplications of URLs, changing focus to already open tab, and disabling/enabling removal notifications.
Add-on stats
This add-on was removed from Firefox Browser Add-ons on
2025-03-16
Manifest V2
Weekly download count: 1
Firefox on Android: No
Permissions:
- menus
- cookies
- storage
- tabs
Size: 19.46K
URLs: Website
Full description: See detailed description
Source: Firefox Browser Add-ons
User reviews
by Tim, 2024-08-22
by Tim, 2024-08-22
by x a, 2024-08-15
Add-on safety
Risk impact
Dont Open 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.
- Low ******* ****** ** *** ********* ********
Risk likelihood
Dont Open Duplicate Tabs may not be trust-worthy. Avoid installing if possible unless you really trust this publisher.
Risk likelihood analysis details
- Critical This extension is not longer available in the store
Upgrade to see full risk analysis details
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