SleepingTab от R0xuwan

Tab Memory Monitor helps reduce Firefox memory usage by automatically sleeping inactive tabs.

Features:
• Live memory usage graph
• Monitor active and sleeping tabs
• One-click tab sleep
• Automatic inactivity-based tab sleeping
• Adjustable sleep timer
• Lightweight and privacy-friendly

Designed for users who keep many tabs open and want a cleaner, faster browsing experience without manually managing tabs.

No tracking. No telemetry. Open source.