Xilisoft Audio Converter provides an easy and completed way to convert MP4 to MP3, M4A to mp3, AAC to mp3, etc, convert audio between popular audio files, such as WAV, WMA, FLAC, OGG, APE, AAC, MP4, MP3, M4A, MP2, VQF etc.One of the most featured function of Xilisoft Audio Converter is to convert MP4 to MP3, M4A to MP3 and AAC to MP3. The audio converter supports ID3 tag, all ID3 tags in the original files will be reserved after the audio converting processes. In addition, the audio converter also allows you convert video files including AVI, MPEG, MP4, WMV, ASF etc to popular audio files, e.g. convert MP4 to MP3.