WMA to MP3 Plus - Version 3.1 WMA to MP3 Plus 3.1 is software that allows you to convert WMA to MP3, WMA to MP3, WMA to WAV, MP3 to WMA, WAV to WMA and all other options from MP3, WMA and WAV audio files. This software can also copy the ID3 tags from the source file to the destination. Supports all the WMA, MP3 and WAV features, with codec, formats, quality, and much more. WMA to MP3 Plus 3.1 runs fast, with advanced GUI, supports many events, and easy to use.