Focus Tab Locker

Focus Tab Locker is a lightweight productivity extension designed to eliminate tab-switching distractions. Lock your browser to a single tab and maintain uninterrupted focus during critical work sessions. Key Features Single-Tab Lock: Prevents navigation to other open tabs while focus mode is active Auto-Close Protection: Automatically closes any newly opened tabs to maintain focus Persistent State: Focus mode persists across browser sessions Non-Destructive: Existing tabs remain intact and accessible once unlocked How to Use 1. Navigate to the tab you want to focus on 2. Click the Focus Tab Locker icon in the toolbar to enable focus mode 3. Click again to disable focus mode when finished Use Cases Deep work and focused productivity sessions Online examinations and assessments Educational content and course completion Research and long-form reading Any task requiring sustained concentration Privacy Focus Tab Locker operates entirely locally. No data is collected, transmitted, or stored externally. The extension only requires tab management permissions necessary for its core functionality.