1)   BeeThink MP3 WMA To WAV Converter 2.0
Convert MP3 or WMA(or WAV) files into WAV files by simply right-clicking audio files.Group of files and folder conversion are supported.

 2)   MB AudioConverter 2.0
Convert MP3 or WMA(or WAV) files into WAV files by simply right click audio files or just drag the files and drop onto another folder.Group of files and folder conversion are also supported.