TabSanity

Prevent duplicate tabs by automatically switching to existing ones TabSanity prevents duplicate tabs by automatically switching to existing ones, keeping your browser organized and improving performance. 🚀 Key Features: • Automatically detects and prevents duplicate tabs • Multiple URL matching modes (exact, ignore query params, ignore hash) • Customizable deny list with regex patterns for sites where you want multiple tabs • Real-time statistics tracking duplicates prevented • Optional notification badge counter • Import/export settings for backup 🎯 Perfect for: • Heavy browser users with many tabs • Developers working with multiple windows • People like me that keep opening the same tab over and over ⚙️ Smart Matching: Choose how URLs are compared - exact matching, or ignore query parameters/hash fragments for flexible duplicate detection. 🛡️ Privacy Focused: Only accesses tab information to prevent duplicates. No browsing history is stored or transmitted.