It is rather self understood that you have more than one device or program used to manage video files. It is also possible that every program or device used in video making or watching operates with a certain type or types of file formats. This is when you need an encoder, converter or ripper. Find tools that could convert your PC video files into the specific video formats that are playable on PS3 or other devices. Encode video files to Flash video or back up your favorite DVD movies to various formats and, eventually extract soundtracks from DVDs. If you are a fun of iPod, iPhone and other portable multifunctional miracles, get yourself a too that would let you convert DVD to proper formats used on iPods and iPhones. If this is not enough to satisfy your portable needs, read about applications that would convert video, rip DVD, save files to iPod, iPhone, PSP, PDA or cell phone.