Okoker All to Mp3 Converter can batch convert almost all kinds of Video and Audio files to Mp3, Wav, Wma. It supports a lot of formats, such as: avi, divx, xvid, mpeg, mpg, mpga, mpe, mpa, vcd, dvd, dat, vob, wmv, rm, rmvb, ra, ram, mp3, wav, wma, mov, qt, asf etc. The speed of conversion is faster than most of other kindred softwares. Specially, it converts AVI, DIVX, MPEG, WAV, MP3 and other audio very fast. It is a good mp3 converter. You can set profuse parameter to output high audio quality files.