Every tab deserves a second chance.
English | 中文
- Auto Capture — Listens to all tab close events, records title, URL, favicon, and domain
- Smart Grouping — Group by time (Just now / Today / Yesterday / Earlier) or by domain
- Batch Close Detection — Tabs closed within a short window are grouped together with one-click restore
- Search & Filter — Real-time search by title, URL, or domain
- Pin & Keep — Pin important records to prevent auto-cleanup, pinned items stay on top with a visual indicator
- Badge Count — Icon badge shows today's closed tab count
- Export / Import — JSON format data export and import
- Theme Switching — Light / Dark / Follow System
- i18n — Chinese / English with manual toggle, defaults to browser language
- Auto Cleanup — Max 500 records, 30-day expiry (pinned records are exempt)
| Light | Dark |
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Manual Install
- Download or clone this repository
- Open Chrome, navigate to
chrome://extensions/ - Enable "Developer mode" in the top right
- Click "Load unpacked" and select this directory
- Chrome Extension Manifest V3
- Service Worker for background monitoring
- chrome.storage.local for persistence
- Vanilla JS + CSS, zero dependencies
UnClosed does not collect or transmit any user data. All data is stored locally on your device. See Privacy Policy for details.
MIT © 2026 shiqkuangsan