If you have very large audio or video media collection then converting your them in to different formats so you can play them on different players can be a very tedious task. Usually this kind of task are done by batch conveters. MediaCoder is a free audio/video batch transcoder that will make the process of converting your media files to different formats a painless task. It is a free universal batch media transcoder, which nicely integrates most popular audio/video codecs and tools into an all-in-one solution.
With a flexible and extendable architecture, new codecs and tools are added in constantly as well as supports for new devices. MediaCoder intends to be the swiss army knife for media transcoding in all time and at this moment, it already has millions of users from 170+ countries all over the planet. It also convert to and from many audio and video compression formats and re-multiplex into various container formats in batches.
Strong decoding capability for partial or corrupted contents. Simplified UI for popular mobile devices (e.g. PSP, iPod) , Fully standalone, no dependance on system codecs/splitters. Supported audio/video formats are MP3, OGG/Vorbis, AAC, MusePack, WMA, RealAudio, FLAC, WavPack, APE/APL, WAV, AVI (Xvid/DivX/H.264), MPEG1/2/4, QuickTime (mov), WMV/ASF, RealMedia (rmvb), MP4, and Matroska (mkv). Alos supports windows XP, Vista, and Windows 2000