YTMP3 is part of FreeMp3's set of freely available online toolkit to download online video and audio. YTMP3 is short for YouTube video to MP3 format converter. It only works with single-video URLs, while channels and playlists are not supported. Copy video link from YouTube page, or maybe from the app, if you're on mobile (in both cases you can copy link via social Share menu). Alternatively you can use our free online MP3 search engine. Change converter format to MP3 and back to MP4 by pressing the small button.