How to Convert Media Files Using the Command Prompt on Windows 10 Mar 5, 2021, 8:00 am EDT | 3 min read There are many ways to convert media files from one format to another on Windows 10, including using the Command Prompt—thanks to ffmpeg. If you prefer commands over graphical user interfaces, here’s how to convert your audio and video files using the Command Prompt. Set up FFmpeg to Convert Audio and Video Using the Command Prompt By default, the Command Prompt doesn’t offer the option to convert your media files. You need to install a third-party utility to perform these conversions, and FFmpeg is a great utility to do this with. It’s open-source, cross-platform, and very popular.