
Tab Sleep Timer by Oliver99
Automatically unloads inactive tabs after a set time to save memory, with options to restore or exclude domains.
You'll need Firefox to use this extension
Extension Metadata
About this extension
Tab Sleep Timer is a lightweight Firefox add-on that automatically unloads inactive tabs after a user-defined time (5, 15, or 30 minutes) to save memory. It features a simple popup to set sleep duration, exclude specific domains, and restore sleeping tabs. Operating locally with no data collection, it ensures privacy and efficient browser performance.
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Permissions and dataLearn more
Required permissions:
- Access browser tabs
- Access your data for all web sites
More information
- Add-on Links
- Version
- 1.0
- Size
- 76.06 kB
- Last updated
- 2 months ago (13 Jun 2025)
- Related Categories
- Licence
- Mozilla Public Licence 2.0
- Version History
- Add to collection
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