Containacious by Dejan
Tenaciously keeps your tabs in the right container
Extension Metadata
About this extension
Firefox containers let you separate browsing sessions. The problem? External links from Slack, Discord, email, or any app, as well as new tabs and right-click link openings ignore your containers.
Containacious fixes this. Every new tab and external link opens in your chosen container for that window. It makes Firefox containers behave like Google Chrome Profiles.
The source code is available on GitHub.
Containacious fixes this. Every new tab and external link opens in your chosen container for that window. It makes Firefox containers behave like Google Chrome Profiles.
The source code is available on GitHub.
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Permissions and data
Required permissions:
- Access browser tabs
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0.0
- Size
- 15.62 KB
- Last updated
- a month ago (Jan 22, 2026)
- Related Categories
- License
- MIT License
- Version History
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