Clone2Go is free and very easy to use, its dark and shiny interface allows you to convert one or a lot of videos in three steps: Add videos to the conversion list, choose the output format and click encode.
Clone2go Free Video Converter can convert video files of different formats. The input format includes: WMV, FLV, MPEG-4, MPG, RM, RMVB, AVI, 3GP, etc. and the output format includes: MP4, AVI, WMV, FLV, and more. That makes Clone2Go to be a perfect solution, because it supports all formats supported by portable media devices.
You won't have to break your mind to know the format of your portable device because it includes a list of output profiles featuring the most-known devices, such as iPod, iPhone, PSP,...
You can view both previous and converted version before uploading to your media device.
Finally, Clone2Go allows you to download and convert videos from YouTUBE or Google Video automatically.