WMA MP3 Converter converts WMA (Windows Media Audio), WMV (Windows Media Video), and ASF (Advanced Systems Format) files into MP3 and WAV formats, converts WAV, MP3, WMV, and ASF into WMA format, and resamples WMA files. The software supports batch conversion as well. The converter encodes MP3, WAV and WMA with different parameters, such as sample frequency, bit rate, and channels. It supports to add or keep ID3 tag when converting to MP3 or WMA, or resampling WMA. You can also change volume when converting or resampling.