Source & Download: Fileforum
Author: NeSoft Inc
Program Type: Shareware
Screenshot HERE

Alt WAV MP3 WMA OGG Converter is a tool that can convert files of all these formats between each other.

Changes in Current Version:
-Absolutely new stunning interface
-Windows Explorer Shell Integration: now you can convert files with right mouse click on them in Explorer
-You can make presets for convertation from Explorer
-Minor bugs fixed