If you are looking for the best converter for MKV to FLAC, WonderFox HD Video Converter Factory Pro is highly recommended for you. Not only can it convert .mkv to .flac, but it can also remove audio from video or add audio into video if you like. You are allowed to edit video and audio files by cutting, merging, splitting, etc., and customize audio and video parameters at will. What’s more, it is even a powerful downloader that helps you download videos from YouTube, Dailymotion, Facebook and more than 1000 websites.
Without hesitation, just get this video converter here and follow the step-by-step tutorial below to convert MKV videos to FLAC audio files now!