TabMaster – Tab Group Manager & Auto-Archive

TabMaster – Tab Group Manager, Session Saver & Auto-Archive for Chrome Tired of 50+ open tabs slowing down your browser? TabMaster is a lightweight, privacy-first tab management extension that helps you organize, save, and clean up your tabs in one click — without ever sending your data anywhere. Whether you're a researcher, developer, student, or just someone who never closes a tab, TabMaster brings order to your browsing with smart tab groups, session snapshots, auto-archiving of idle tabs, and a full dashboard to manage everything. Key Features One-Tap Popup Actions Group Tabs by Site – Instantly organizes open tabs into colored, named groups based on your custom rules. Save Session – Snapshot every tab in your current window so you can restore it anytime. Kill Duplicates – Closes duplicate tabs automatically (smart URL matching). Suspend Idle Tabs – Frees up RAM by discarding inactive tabs without closing them — reload with one click. Bookmark All – Saves your entire window of tabs into a new bookmark folder instantly. Export Tabs – Download your open tabs as Markdown (.md) or JSON (.json) for notes, backups, or sharing. Auto-Archive – Automatically archives idle tabs to keep your browser fast, while protecting active, pinned, audible, and whitelisted tabs. Full Management Dashboard Archived Tabs – Search, restore, or permanently remove auto-archived tabs. Sessions Manager – Restore, export, bookmark, or delete saved sessions. Import previously exported JSON sessions anytime. Open Tabs Search – Find and jump to any tab across all open windows. Tab Tree View – Visualize which tab opened which, in a parent-child tree layout. Notes on Tabs – Attach personal notes to any page — notes persist even after the tab is closed. Whitelist – Protect specific domains (and their subdomains) from ever being auto-archived. Custom Group Rules – Assign fixed names and colors to tab groups per website. Keyboard Shortcuts (fully customizable) Alt+Shift+T – Open TabMaster popup Alt+Shift+G – Group tabs by site Alt+Shift+S – Save current window as a session Alt+Shift+I – Suspend inactive tabs Privacy First TabMaster works 100% offline. All your data — archives, sessions, notes, whitelist, and settings — is stored locally in Chrome's own storage. No data is ever transmitted, tracked, or shared with any server. Why Choose TabMaster? Reduce memory usage and browser lag caused by too many open tabs Never lose an important research session again Stay organized with zero manual tab-clicking Built on Chrome's modern Manifest V3 for speed and security No account, no sign-up, no ads — just a fast, focused tool Permissions Explained tabs / tabGroups – To read, group, and manage your open tabs storage – To save sessions, notes, and settings locally on your device alarms – To run scheduled auto-archive checks bookmarks – Only used when you choose "Bookmark All" or bookmark a session