How to Convert Youtube to mp3 using Flvtoĭownload Youtube Mp3 using flvto converter is Easy and simple just follow these steps If you want to download music and listen offline this Flvto Youtube to mp3 converter is one of the best choices.Flvto is this similar youtube to mp3 converter of mp3juice. Download video and Audio from Youtube with Flvto in just a few clicks. Flvto allows you to download music from youtube.