Mobile Media Converter is a ffmpeg GUI Specially Designed for Mobile Phones Format Converting

Mobile Media Converter [Windows / Linux] is a great application which allows you, thanks to ffmpeg, to convert between a variety of formats including: MP3, WMA , Ogg, Wav, MPEG, AVI, WMV, FLV, 3GP video and AMR audio and even MP4 which is very useful if you have an iPhone / iPod.