Also, it can boost all downloads up to 10 times, efficiently process large files and download multiple files at the same time. FDM allows video downloading from popular websites and supports HTTP/HTTPS/FTP/BitTorrent download protocols. It works on Windows and macOS and features a user-friendly interface with modern design. The sole purpose of this add-on is integration with FDM.įDM is a fast and reliable download manager and accelerator that improves your experience with downloads and helps you organize them in an easy manner. It's an official Firefox extension by Free Download Manager developers.