Free tools to convert audio files
Sound format converter. EowMultiSound is a sound format converter that supports Mp3, Ogg and wav.
It means that you can convert: Wav to Mp3, Wav to Ogg, Mp3 to Wav, Mp3 to Ogg, Ogg to...
Midi/Wave converter. Midimeow is an easy-to-use tool to converts on the fly:
Midi to Mp3 at 128 Kbps and 196 Kbps
Midi to Wav
Midi to Ogg vorbis