4K YouTube to MP3 allows to download audio content from YouTube and to save it on your computer. Download full YouTube playlists of your favourite artists in one click. On the other hand it's possible to extract audio from Facebook, Vimeo and Dailymotion videos as well. Play downloaded audio tracks directly from the program thanks to the embedded audio player. This program is completely free, open source and cross-platform. We pay great attention to simplicity and usability during development. Downloading is simple and straightforward, just copy a link from the browser and click "Paste Url". Try it now!