Movavi Video Converter Daniel Martin/Screenshot Keep in mind, though, that reproducing copyrighted material is illegal. The process is easy whether you’re using the latest version of Windows or MacOS Mojave. There’s more than one way to convert your spinning movie discs to a format that’s compatible with a range of devices, and here to help out is our guide on how to convert a DVD to MP4. On top of that, we all know how boring a flight or train ride can be without access to a robust library of entertainment. Shelves chock-full of movies now seem overly cumbersome, and they’re also an unnecessary waste of space that can be better used for something else. We live in a world where we want every movie and TV show to be available at our fingertips on every electronic device in our arsenal.