any audio converter freeware

Convert audio files between MP3, WAV, M4A, AAC, WMA, OGG, FLAC, and APE formats.

Convert your audio files between various formats.

Extract audio tracks from video files.

is a easy and flexible tool used to extract audio from video files

Convert various video formats into popular audio formats

Convert between a large collection of audio file formats.

It is a comprehensive solution for ultra-fast cross-format audio conversion

Easily and quickly convert your audio or video files to MP3, OGG, WMA, WAV, etc.

It is focused aim is to convert WMP to MPEG-4 Audio and it's free.

It is to convert WMA to Zen Audio and it's free.