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