MP4 To MP3 - Version 9.0.3 MP4 To MP3 is an easy, efficient, fast yet free MP4 to MP3 converter.It is capable of converting MP4 to MP3 easily and quickly. It can also extract audio stream from MP4 video files and save as MP3 format.MP4 To MP3 is capable of decoding CBR/ABR/VBR MP4 files.It can copy & save audio tag from the source MP4 files to the destination MP3 files, MP4 To MP3 is capable of writing ID3v1, ID3v2 and APE MP3 tag. It supports batch mode, MP4 To MP3 can convert hundreds of MP4 files at once. It is incredibly fast, MP4 To MP3 is the fastest MP4 to MP3 converter available.It is fully optimized for SSE/Hyper thread technology and you can get extra speed boost if you have multi-core CPU. MP4 To MP3 supports on-the-fly converting, in other words, it does not generate temporary files during the