Tab Lifetime Manager — Mikel

Tab Lifetime Manager

A Firefox extension that automatically closes inactive tabs after a configurable time period to help manage browser memory and maintain a clean workspace.

Features

• Automatically closes tabs after a configurable time period (default: 90 seconds)
• Whitelist support for domains you want to keep open
• Adjustable timer (10 seconds to 1 hour)
• Visual countdown timer on tabs
• Warning notification before tab closure
• Pause/resume functionality
• Bulk import/export of whitelist entries

Usage

1. Timer Settings
2. Access the extension options
3. Adjust the tab lifetime value (10 seconds to 1 hour)
4. Changes apply to new tabs immediately
5. Whitelist Management
6. Add domains or URLs to prevent automatic closure
7. Bulk import/export whitelist entries
8. Clear whitelist as needed
9. Pause Functionality
10. Toggle the extension on/off using the pause switch
11. Pausing prevents any automatic tab closures

Privacy

This extension:
- Does not collect any user data
- Does not communicate with external servers
- Only stores your settings locally

Version History

1.0

• Initial release
• Basic tab management functionality
• Whitelist support
• Configurable timer
• Pause/resume feature