Tab Book

Fast tab marking with a dedicated focus window

TabBook gives you instant control over your tabs with powerful keyboard shortcuts and a seamless Focus Mode that opens selected tabs in a clean, dedicated window. Switch contexts, reduce clutter, and stay productive without breaking your flow. Core Features ⚡ Instant Keyboard Shortcuts Mark tabs, switch groups, jump to focus mode, and reorganize your workspace without touching your mouse. - Mark tab: Ctrl+Shift+Z (Mac: ⌃+Shift+D) - Remove marker: Ctrl+Shift+X (Mac: ⌃+Shift+X) - Toggle focus mode: Ctrl+Shift+F (Mac: ⌃+Shift+F) - Clear all markers: Ctrl+Shift+E (Mac: ⌃+Shift+E) 🪟 Focus Mode in a New Window Open any group in a distraction-free window with one shortcut or click. Perfect for deep work and task-specific sessions. Additional Features Custom Groups and Visual Markers Create your own tab groups with colors and labels. Each tab displays a small visual marker so you always know where it belongs. Sidebar Tools A compact sidebar provides extended functionality: • Save and restore sessions • View and reopen recent tabs • Manage groups, labels, and markers • One-click Auto Grouping to clean up your window instantly Auto Tab Grouping Automatically cluster tabs by domain or existing markers to quickly organize large browsing sessions. Local Storage Only TabBook stores everything like groups, markers, and sessions, directly in Chrome’s local storage. No cloud storage, no accounts, no external data transmission. Lightweight and Efficient Runs quietly in the background with minimal overhead. TabBook brings speed, structure, and clarity to your browsing so you can stay focused and in control. 🔒 Privacy • Groups, markers, and sessions are stored locally in Chrome's storage and never leave your device. • Tab Book optionally collects anonymous usage analytics (no URLs, titles, or personal data) to help improve the extension — you can turn this off anytime in Settings.