WMA MP3 Converter converts WMA (Windows Media Audio), WMV (Windows Media Video), and ASF (Advanced Systems Format) files into MP3 format, and resamples WMA files. The software also supports more than 30 audio and video file formats as input file, and converts to MP3, WAV, WMA, AAC, MP4, M4A, and M4B files. You can change encoding parameters of target files such as sample frequency, bit rate, channels, and quality. So it's possible to convert a large-size file to a smaller one. And, the software adds or keeps ID3 tag when converting. The software supports to change sound volume as well. WMA MP3 Converter supports WMA, WMV, ASF, M4A, M4B, MP4, M4V, MP3, WAV, AAC, OGG, OGA, CDA, FLAC, WV, AC3, AIFF, AIF, AIFC, AFC, APE, MAC, MPC, MP+, MPP, ADX, SPX, TTA, AU, NeXT/Sun sound (SND), MOD music (XM, IT, S3M, MOD, MTM, UMX), and MO3 music (MP3/OGG compressed MODs). The software also supports batch conversion. So, you can convert or resample a batch of files in a time.