Toggle Native Tab Bar is a Firefox add-on designed to enhance the user experience by allowing for easy toggling of the native tab bar. This subscription-based tool is particularly useful for users who prefer utilizing sidebar tab managers like Tree Style Tab or Sidebery. With this add-on, users can quickly hide or show the native tab bar as needed, providing flexibility during browsing sessions. The functionality is especially beneficial when users want to access the sidebar while still having the option to view the native tabs temporarily.

To utilize this add-on, users must follow specific installation instructions that enable userChrome.css usage. This involves adding a few lines of code as outlined in the provided GitHub link. By doing so, users can seamlessly integrate this solution into their browsing experience, allowing for a more personalized and efficient way to manage tabs in Firefox.