⚡ Reclaim Memory
Automatically suspend tabs after a period of inactivity. Your browser runs faster with fewer resources used.
SleepyTabs
Stop tabs from hogging your memory
SleepyTabs automatically suspends inactive tabs to free up memory and speed up your browser. Tabs stay in place, reload when you need them, and look beautiful while suspended.
Key Features
🎛️ Full Control
Suspend or restore tabs with one click, keyboard shortcuts, or automatically based on your preferences.
🎨 Beautiful Placeholders
Suspended tabs show custom-themed pages with 10+ themes or your own wallpaper instead of blank screens.
🔒 Completely Private
Everything runs locally in your browser. No servers, no tracking, no data collection ever.
Smart Tab Management
- Suspend individual tabs instantly or protect important ones with "espresso shots"
- Batch suspend or restore all eligible tabs at once
- Whitelist sites that should never be suspended
- Fine-tune behavior for pinned, grouped, private, and reader-mode tabs
- Control whether playing audio, loading state, or tab activity prevents suspension
Make It Yours
- Choose from themes like Midnight, Forest, Nord, Ayu Dark, and more
- Set custom wallpapers for suspended tabs with brightness controls
- Add emoji indicators (💤 😴 🛌 🌙) to suspended tab titles
- Create your own themes in the built-in theme creator
Power User Features
- Configure check intervals, grace periods, and batch processing settings
- Enable discard-only mode to skip the placeholder page entirely
- Sync settings across browsers using browser sync
- Import and export your configuration for backups or sharing
⌨️ Keyboard Shortcuts
Suspend Current Tab
Ctrl+Shift+1Suspend All Tabs
Ctrl+Shift+2Wake All Tabs
Ctrl+Shift+3Open Sidebar
Ctrl+Shift+4Give Espresso Shot
Ctrl+Shift+5Remove Espresso Shot
Ctrl+Shift+6Add to Whitelist
Ctrl+Shift+7Wake Sleeping Tab
Enter