Close tabs before getting too many; Forcibly limits the number of tabs. You can change the limit.

Auto-reduce Tabs - Limit Browser Tabs
Auto-reduce Tabs is a Firefox add-on that forcibly limits the number of browser tabs, reducing memory/CPU usage, conserving power, and keeping the desktop clean.
Add-on stats
Manifest V2
Firefox on Android: Yes
Permissions:
- storage
Size: 14.03K
Full description: See detailed description
Other platforms
Not available on Chrome
Not available on Android
Not available on Edge
User reviews
by 退出中共邪教党团队保命, 2025-03-17
A pretty clunky way to handle the issue. No options other than setting a maximum number of open tabs. Once max is reached, oldest tabs begin to close automatically with no way to recover them. Tab Wrangler is a MUCH more elegant solution.
by Firefox user 13119159, 2019-08-06
Add-on safety
Risk impact
Auto-reduce Tabs does not require any sensitive permissions.
Risk impact analysis details
- Low Request access to the following domains:
Risk likelihood
Auto-reduce 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.
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