I need to convert some DRM'd movies I've purchased from iTunes to MP4 format so that I can watch on my Samsung tablet. I do found some iTunes video converter on the Internet. After some research it seems the one called TunesKit is the best around. However, I’ve never used this kind of software before, neither have I tried to remove a DRM before. So before I place the order, I have some doubts regarding legality issue of using software like this. Is it legal there? Any suggestion would be highly appreciated.