MKV to MP3 Converter a powerful audio extractor extracting audio from video. It allows converting MKV Video to MP3 easily. Support most popular audio formats MP3 (MPEG-1 Audio Layer 3 or MPEG-2 Audio Layer 3 or MPEG-1 or 2 Audio Layer III). Now you can enjoy the versatile audios on your MP3 Player wherever and whenever. Simple settings, high speed, and friendly interface. It is very easy to use without any special setting, only a few clicks complete the task of convert audio; It can detect your hardware configuration and decide an optimized convert scheme automatically; Provide greater than 300% converting speed by multithreading, so fast beyond your imagination.