New Tab in Active Group is a Chrome add-on developed by Quaintex LLC. This free add-on allows users to create a new tab within the current tab group using a custom shortcut key. With this extension, users can define their own shortcut key, such as Ctrl+T, to open a new tab in the active group. To set up the shortcut, users can navigate to Chrome's extension shortcut manager, which can be accessed by entering the URL chrome://extensions/shortcuts. This convenient feature enhances productivity by providing a quick and easy way to open new tabs within the current tab group. New Tab in Active Group is a useful tool for users who frequently work with multiple tabs and want to streamline their browsing experience.