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Description
Suspend inactive tabs to reclaim memory. Lightweight, private, no telemetry. Slumber suspends tabs you are not using, freeing up memory and reducing CPU load — without compromising your privacy or your wallet. WHY SLUMBER? 3 permissions only — tabs, storage, alarms. Nothing else. No broad host access, no history, no webNavigation. Zero telemetry — no analytics, no tracking, no third-party SDKs. Your browsing stays on your device. No subscription — $4.99 once for Pro. Free tier is fully functional with no tab limit. Your license travels with you — Pro status syncs automatically across all your Chrome devices via Chrome Sync. No account needed. Open source — every permission and network call is verifiable on GitHub. Built on Manifest V3 — the current Chrome extension standard. Future-proof from day one. FREE TIER Auto-suspend tabs after a configurable idle period Manual suspend and wake with one click Keyboard shortcuts — sleep (Alt+Shift+S), wake current tab (Alt+Shift+W), wake all (Alt+Shift+A) Never suspend pinned or audio-playing tabs Never suspend tabs using your microphone or camera Unlimited tabs suspended at once PRO ($4.99 ONE-TIME) Suspension schedule — restrict auto-suspend to specific days and hours Bulk select and suspend multiple tabs at once Domain whitelist — specific sites that will never be suspended Cross-device settings sync The Great Suspender was removed from the Chrome Web Store in 2021 after a change of ownership introduced malware. Slumber was built to fill that gap — with a clean codebase, minimal permissions, and full transparency. GitHub README Permissions: tabs, storage, alarms — nothing else. Telemetry: none. Network: the only external call is to the Slumber license server to verify your Pro key. It runs once when you activate and silently on browser startup — never for any other purpose. Data: your tab URLs, titles, and favicons never leave your device. Payments: handled entirely by Paddle. Slumber never sees your card details or email. Support The Project If you love Slumber and want to support future development beyond your Pro purchase, you can buy me a coffee at ko-fi.com/dkhandev. It is entirely optional and never shown to free users or during the upgrade flow.