The downloaded file can be downloaded from the interface. Once the selected files have been uploaded to the Converter, one can proceed to the next step, which calls for the user to choose the format, to which he or she would like to convert the YouTube, i. Part 2. Download Video. Transfer Music Between 2 Convfrter. Video Converter for Mac. This will automatically load them to the converter. Open Wondershare UniConverter and select the Downloader tab.