The ultimate audio converting tool. Xilisoft Audio Converter is an all-in-one audio converter and extractor, allowing you to both convert between different format audio files AND extract audio from video files to different formats. Xilisoft Audio Converter supports many video, high-definition (HD) video, and audio file types including AVI, MPEG, WMV, MP4, FLV, MKV, H.264/MPEG-4 AVC, AVCHD, MP3, WMA, WAV, AAC, FLAC, OGG, APE, among many others.

With Xilisoft Audio Converter, you can also convert files in batches as well as audio segments, split files, output files to exact size, simultaneously convert a file into different formats, fully customize your output by adjusting a range of basic and advance parameters, edit ID3 info, add and adjust audio effects. High audio conversion speed is guaranteed with multithreading and multi-core CPU processing both supported.

Convert between nearly all audio formats (including MP3, WMA, WAV, AAC, FLAC, OGG, APE)
Extract audio from nearly all video and HD-video formats (including AVI, MPEG, WMV, MP4, FLV, MKV, H.264/MPEG-4 AVC, AVCHD)
Full audio output customization
High-speed multi-file conversion with support for multithreading, multi-core CPU processing, and batch audio conversion