With the multitude of audio and video formats floating around chances are you are bound to come across a certain file type now and then which isn't supported by your ipod, media/dvd player etc. Either that or you may just want the file in a different format or a smaller more compressed version. If this is the case then look no further as Media Coder will cater to all your needs. Media Coder is a audio/video batch transcoder for windows. Supporting almost every digital audio/video format known to man, Media coder allows you to easily transcode one audio or video format to another. All the settings are completely customisable too, so any file size/compression ratio, resolution, bit rate etc is possible. You can also transcode multiple files at once. There are many programs that perform similar functions, but this one has to be one of the best I have come across. Being open source it is also free, so click the link to check it out.

Media Coder - Download Page