SleepyTabs icon

SleepyTabs

Established publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Save memory by putting inactive tabs to sleep

Users
400
+65 in 30 days
Rating
4.0 / 5
unchanged in 30 days
Ratings
3
0 in 30 days
Store rank
#47K
#40K among extensions
Version
1.10.1
updated 17 Sep 2026

Users

monthly, 16 months
0346691Jun 2025Mar 2026Oct 2026
Latest, 15 Oct 2026: 400 usersMove the mouse over the chart for any month

Ratings count

monthly, 16 months
023Jun 2025Mar 2026Oct 2026
Latest, 15 Oct 2026: 3 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About SleepyTabs

SleepyTabs - Browser Tab Suspender & Manager Screenshots: https://gitlab.com/satoru8/sleepytabs/-/tree/main/screenshots SleepyTabs is a browser extension that helps you manage browser tabs by automatically putting inactive tabs to sleep to save memory and improve browser performance. Note: SleepyTabs is made for Firefox with support for Chrome. Some features may not be available in chrome or may act slightly different. I do my best to ensure it works the same across different browsers. ✨ Key Features: - 🔄 Automatic Tab Sleeping - Save memory after your chosen inactivity period - 🎛️ Intuitive Controls - Sleep or wake tabs with simple clicks or keyboard shortcuts - 🎨 Beautiful Sleeping Pages - Customize with 10+ themes and wallpapers - ⚙️ Granular Configuration - Fine-tune which tabs can sleep and when - 🔒 Privacy Focused - Works entirely in your browser, no data sent externally - 🌐 Sync Settings - Synchronize settings across multiple browsers - 📦 Import/Export - Easily backup or transfer your settings - 📊 Advanced Tab Management - Control behavior for pinned, grouped, and private tabs - ⚡ Performance Optimizations - Batch processing and memory management 🛠️ Tab Management: Basic Controls: - Sleep Current Tab - Immediately put the current tab to sleep - Sleep All Tabs - Put all eligible tabs to sleep at once - Wake All Tabs - Restore all sleeping tabs with one click Tab Type Handling: - Pinned Tabs - Control sleep behavior for pinned tabs - Grouped Tabs - Manage sleep settings for tab groups - Private Tabs - Special handling for private/incognito windows - Reader Mode Tabs - Custom behavior for reader view tabs Tab State Management: - Active Tabs - Option to sleep even the currently active tab - Audible Tabs - Control whether playing audio prevents sleeping - Loading Tabs - Prevent sleeping of tabs that are still loading - Attention-Requesting Tabs - Handle tabs that want your attention 🎭 Appearance Customization: Themes: - Dark (Default) - Easy on the eyes in low light - Light - Clean and bright interface - Midnight - Deep blue dark theme - Sepia - Warm, paper-like appearance - Solarized - Precision colors for multiple applications - Nord - Arctic, north-bluish color palette - Forest - Nature-inspired green theme - Monokai - Popular code editor theme - Ayu Dark - Clean, modern dark theme - Amethyst - Purple-inspired theme Wallpapers: - Enable custom wallpapers for sleeping tabs - Set any image URL as wallpaper - Adjust brightness to ensure text remains readable Title Customization: - Add emoji prefixes to sleeping tabs - Choose from preset emojis or set a custom prefix - Options include: 💤 (Sleeping), 😴 (Sleep Face), 🛌 (In Bed), 🌙 (Moon), and more ⚙️ Advanced Settings: Performance: - Check Interval - How often to check for inactive tabs (default: 10s) - Grace Period - Additional time before sleeping tabs after becoming inactive - Batch Processing - Control how many tabs are processed at once - Sleep Delay - Time between processing individual tabs Behavior: - Discard Only - Just unload tabs without showing sleep page - Auto-Restore - Automatically wake tabs when clicked - Floating UI - Keep the popup interface always visible 📂 Data Management: - Whitelist - Prevent specific sites from being put to sleep - Settings Sync - Keep your preferences in sync across browsers - Import/Export - Backup or transfer your configuration - Reset Options - Restore default settings when needed ⌨️ Keyboard Shortcuts: - Sleep Current Tab: Ctrl+Shift+1 - Sleep All Tabs: Ctrl+Shift+2 - Wake All Tabs: Ctrl+Shift+3 - Open SleepyTabs Sidebar: Ctrl+Shift+4 - Wake Sleeping Tab: Enter (when focused on a sleeping tab) Technical Details: SleepyTabs is made for Firefox with support for Chrome. The extension works by: 1. Monitoring tab activity using browser events 2. Storing tab information in the browser's local storage 3. Replacing inactive tabs with lightweight placeholder pages 4. Restoring tabs to their original state when needed Privacy: SleepyTabs operates entirely within your browser. No data is sent to external servers, and all tab information is stored locally in your browser's storage. 📥 Installation: Firefox: https://addons.mozilla.org/en-US/firefox/addon/sleepy-tabs/ Chrome: https://chromewebstore.google.com/detail/sleepytabs/appcikdjekjmkkpieaojgheeinannnlk 🤝 Contributing: Contributions are welcome! Feel free to submit issues or merge requests to help improve SleepyTabs. 📄 License: SleepyTabs is licensed under the GNU Affero General Public License v3.0

Growth

WindowUsersChangeRatingsRating
7 days+3+0.8%00.00
30 days+65+19.4%00.00
6 months+214+115.1%+2−1.00
1 year+359+875.6%+3+4.00

Version history

42 versions recorded
1.10.117 Sep 2026
1.10.015 Aug 2026
1.9.1411 Jul 2026
1.9.138 Jul 2026
1.9.126 Jul 2026
1.9.1122 Jun 2026
1.9.1013 May 2026
1.9.912 May 2026

Details

Category
Functionality & UI
First seen
18 Jun 2025
Size
251 KB
Languages
en, es, fr, zh-CN, ja
Pricing
Free
Privacy policy
gitlab.com
Support
discord.gg
Extension ID
appcikdjekjmkkpieaojgheeinannnlk

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
tabsstoragealarmscontextMenusnotificationssessionstabGroupssidePaneldownloads

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