MediaCoder

MediaCoder 0.5.1 is a very handy program which you can you to convert all your video and audio files.

MediaCoder can convert the following files:

MP3, Ogg Vorbis, AAC, AAC+/Parametric Stereo, AMR NB/WB, MusePack, WMA, RealAudio
FLAC, WavPack, Monkey's Audio (APE, APL), OptimFrog, WMA Lossless, WAV
H.264, Xvid, DivX 4/5, MPEG 1/2/4, H.263, 3ivx, RealVideo, Windows Media Video 7/8/9, DV
AVI, MPEG/VOB, Matroska, MP4, RealMedia, ASF/WMV, Quicktime MOV, OGM
CD, VCD, DVD and CUE Sheets

To the following files:

MP3, Ogg Vorbis, AAC, AAC+/Parametric Stereo, AMR NB/WB, MusePack, WMA
FLAC, WavPack, Monkey's Audio (APE, APL), OptimFrog, WMA Lossless, WAV
H.264, Xvid, DivX 4/5, MPEG 1/2/4, H.263, Flash Video, etc.
AVI, MPEG/VOB, Matroska, MP4 and PMP.

MediaCoder is completely free to download and to use!