ToMP3 can help you convert most popular music into different formats to mp3, such as m4a, mp2, ogg, wma, wav, aac, ac3, au, mmf, etc. Meanwhile, ToMP3 can extract audio to mp3 from avi, webm, mov, mp4, wmv, flv, mpeg, mkv, ts, m2ts, mts, rmvb, rm, 3gp, etc.
