Tab Sentinel Tab Suspender (Open Source)

Tab Sentinel – Open-Source Tab Suspension for Chrome Tab Sentinel is a lightweight, privacy-focused extension that automatically suspends inactive tabs to save memory and improve browser performance.

To exclude the current tab from suspension, open the Suspender tab and click "Exclude Current Tab".

Key features:

• Automatically suspends tabs after a custom period of inactivity
• Option to exclude selected websites or individual tabs from suspension
• Works entirely locally – no external servers, no tracking, no analytics
• Fully open-source: github.com/dmk500/TabSentinel
• Minimal and fast interface designed for reliability
• No account required, no background network connections

New (Beta): Cookie Manager

• Groups cookies by domain and shows cookie count
• Automatically classifies cookies as Essential, Analytics, or Suspicious
• Allows quick deletion or whitelisting of cookies
• Detects third-party cookies based on embedded domains
• Helps reduce tracking while preserving functionality