There are many video formats out there but some media players are limited. AnyVideo Converter (free version) bridges the gap converting formats like mov, rm, rmvb, flv, mkv, 3gp, m4v, and vob to avi, wmv, mp4 in just one a few minutes.
Youtube and Google videos are also a breeze to download and convert using AnyVideo Converter. With AnyVideo Converter you can have your favourite videos on your portable media player in the blink of an eye.
Download: AnyVideo Converter (free)