Xilisoft Audio Converter - Version 6.1.68.1031 Xilisoft Audio Converter is a powerful MP3/MP4/WAV Converter. It can convert between many popular audio formats, such as MP3, WAV, WMA, MP4, M4A, MP2, VQF, APE, OGG, AAC and FLAC etc. One of featured function is that Xilisoft Audio Converter supports converting m4a to mp3, mp4 to mp3. In addition, you can also use it to convert video formats including AVI, MPEG, WMV, ASF to all popular audio files. All conversion processes are very easy and fast.