RZ MP3 Converter is an all-in-one free MP3 converter software that convert any popular videos and audios files to MP3 audio. It can rip AudioCD to MP3. It's the most powerful and cost-effective MP3 audio converter for you. Support all popular media files as source, such as: WMA, MP3, WAV, FLAC, AC3, AAC, M4A, AMR, AVI, MP4 (MPEG-4), H.264, H.263, Xvid, DivX, MPG (mpeg-1, mpeg-2), Mkv, WMV, MOV, RM, RMVB, 3GP, Flv, ASF, OGG, VOB, DVD, CD. Convert all popular media files to MP3. Extract audio tracks from all popular video files and then save to MP3.