To protect the copyright, iTunes videos all come with Apple FairPlay DRM, which limits the videos from being played, edited or converted on non-Apple devices. However, some iTunes users requires to transfer these purchased or rented videos to other devices for watching.
TunesKit is the best iTunes DRM removal tool to bypass DRM from iTunes M4V movie rentals and purchase with fast speed and high quality on Mac. It can easily convert iTunes M4V videos to unprotected MP4 format to fit all mobile devices.
iTunes Video Converter fo r Mac is professional iTunes M4V DRM removal software and iTunes Media converter to convert iTunes purchased/rented DRM movies/TV shows, MV, music videos to DRM-free MP4 at 30x faster speed.