Restart Browser is a Firefox extension designed to enhance user experience by allowing quick resets of the browser to a preferred state with just one click. This subscription-based tool excels as a session manager, providing multiple options for restarting the browser. Users can choose from five different restart methods, including saving sessions in memory or on disk, and can record up to ten sessions with all associated tabs and windows. Additionally, it supports the ability to leave tabs 'sleeping' until activated, which helps in optimizing memory and CPU usage for smoother navigation.

The extension includes various features such as import/export options for session data, notifications for manual restarts, and the ability to open a specific webpage upon restart. Recent updates have fixed bugs, improved stability, and enhanced usability. With support for 11 languages and a focus on user-friendly design, Restart Browser caters to a diverse audience, making it a robust choice for those looking to streamline their browsing experience.