MP3FY is the fastest online youtube to mp3 and mp4 converter that is completely free and doesn't require any registrations or downloads. Converting long videos could turn out hideously frustrating and time consuming: this website helps you convert them in minutes totally free of cost. For your ease of use and convinience, converting and downloading an MP3 from an external video link is just a two click process.

Paste the link and press convert button. After the link is validate and the file is processed, a download window opens where you can press the download button to start downloading your audio file.