I am sure you have a lot of DVD movies or music videos collection. If you want to watch those DVD in iPhone, you cannot just copy the movie file into iPhone since iPhone use different format to play video. Besides that, most DVD video has high resolution and big in size. Watching such video in a small screen iPhone of course lagging is likely to occur. If you want to watch DVD video in iPhone without having huge loss in video quality, you can try these tools for to convert DVD to iPhone for free.
Videora iPhone converter
Videora iPhone Converter is a free iPhone video converter that converts video files, YouTube videos, movies and DVD’s so you can play them on your iPhone. The software, developed by the creators of Videora, can convert all types of video files (avi, divx, xvid, flv, x264, vob, mpeg, DVD’s, YouTube, etc.) into the proper video formats (MPEG-4, H.264) that play on the iPhone. Currently this tool is available for Windows and Mac operating system.