Tab Split Merger is a Firefox extension designed to enhance tab management by allowing users to merge and split tabs efficiently. This tool adds a convenient menu option called "Tab Split Merger" to all open tabs, excluding private windows, providing users with easy access to its features through a right-click on the active tab. The operations available are organized as submenus, making navigation straightforward and user-friendly.

This subscription-based extension focuses on personalization, catering to users who want to optimize their browsing experience. By simplifying the process of managing multiple tabs, Tab Split Merger helps users maintain organization and improve productivity. For detailed instructions and additional features, users can refer to the README available on the extension's GitHub repository.