Last updated: 2026-09-16


TabBunker does not collect any user data.

• No data is sent to a server.
• No analytics, tracking, or advertising SDKs are included.
• No account is required.

TabBunker makes no network requests.

• All data stays in browser local storage (chrome.storage.local, IndexedDB).
• Automatic backup files are written only to the Downloads folder on your computer.

| Permission | Purpose |
|------------|---------|
| tabs | Collapse and restore tabs |
| storage | Store groups and settings |
| downloads | Save automatic backup files |
| unlimitedStorage | Store large tab collections |
| alarms | Debounce backups and run trash cleanup |
| contextMenus | Register right-click menu items only |
| favicon (Chrome only) | Read favicons from the browser local cache. No network requests |

host_permissions are not used. TabBunker does not access specific websites.


This extension is distributed as open source. You can review all behavior in the source code.