Session Keeper is a free Chrome add-on developed by joncshih. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools.

Session Keeper allows users to manage and save their windows and tabs in Chrome. With this add-on, users can easily save their current window configuration for future use. The interface is user-friendly and intuitive, making it easy to organize windows and tabs.

One of the key features of Session Keeper is the drag and drop functionality, which makes organizing windows and tabs a breeze. Users can simply drag and drop tabs to rearrange them or move them between windows. This makes it easy to customize and personalize your browsing experience.

Overall, Session Keeper is a useful tool for Chrome users who want to save and manage their window configurations. It provides a simple and efficient way to organize tabs and windows, making it easier to navigate and access frequently used websites.