Duplicate Tab Shortcut is a Firefox add-on designed to streamline the tab management experience by allowing users to easily duplicate, open, and manage tabs through customizable shortcuts. This free tool enhances productivity by providing a range of shortcuts, enabling users to open new tabs in new windows, pop current tabs out, and create blank tabs to the right of their current tab. Configuring these shortcuts is straightforward, making it accessible for users seeking to optimize their browsing workflow.

The add-on features a user-friendly interface where users can manage their extension shortcuts via the settings cogwheel. In addition to the main functionalities, users can utilize a variety of additional shortcuts simultaneously. Notably, the extension also allows for duplicating the current tab using a simple middle-click on the refresh button, providing an alternative method for quick tab duplication. This tool is an effective solution for those looking to enhance their browsing efficiency on Firefox.