Close Unpinned Tabs is a free Chrome add-on developed by joshua.bell.828. This handy tool allows users to close all unpinned tabs in their browser with a simple shortcut: "Alt + Shift + O". Additionally, it provides the ability to pin or unpin existing tabs within the current window using the shortcut "Alt + Shift + P".

With Close Unpinned Tabs, users can quickly declutter their browsing experience by closing unnecessary tabs that are not pinned. This can be particularly useful for those who frequently find themselves with numerous tabs open and want to streamline their workflow. By assigning a shortcut to this task, users can save time and effort, making it easier to manage their browser tabs efficiently.

Overall, Close Unpinned Tabs is a valuable add-on for Chrome users who want to optimize their tab management. Its simplicity and effectiveness make it a worthwhile addition to any browsing routine.