Close Tabs Shortcuts is a Firefox add-on designed to enhance tab management by providing keyboard shortcuts to close tabs efficiently. This tool is a successor to the Close Other Tabs Shortcuts, tailored for Firefox 57 and later versions. It introduces three default shortcuts: 'Close Other' (Alt+W) which closes all tabs except for the active one, 'Close Left' (Alt+Shift+F1) to close all tabs to the left of the current tab, and 'Close Right' (Alt+Shift+F2) for closing tabs to the right. These shortcuts streamline the tab management process, making it quicker and easier to organize your browsing experience.

In addition to its core functionality, users can customize these shortcuts starting from Firefox version 66. This can be done through the Add-ons Manager by navigating to the Manage Extension Shortcuts menu. The add-on is subscription-based, catering to users who frequently manage multiple tabs and seek a more efficient way to handle their browser environment.