efficient wma mp3 converter

EZuse MP3 To DVD Converter can convert MP3, WMV To DVD

Convert MP3 files to Wav files and encode Wav files to MP3 files.

Convert between popular audio files such as MP3, AAC, AC3, AMR, and M4A.

Convert aac, m4a, ogg, wav to mp3, aac, m4a, wav for free!

A hifi tool batch Converts supports batch convert between MP3 and OGG.

digitally batch Converts supports batch convert between MP3 and WAV

Convert/Record/Mix audio to Moblie Ringtone as MP3, OGG, AMR, MMF ,AMRWB, WAV.

Convert MP3 to Wav, including normal PCM wav and 10 compressed wav formats

It convert almost any video/audio files to MP3 audio formats.

It is focused aim is to convert MP3 to iPod nano and it's free.