What are some alternatives?
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.
Peggo.tv - Peggo is a free YouTube to mp3 converter online.
youtube-dl - A small command-line program to download videos from https://alternativeto.
4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
SaveFrom.net - Free Online service to Download YouTube videos at one click! The best YouTube Downloader supporting fast and easy vimeo, Facebook and Dailymotion video Download and much more!
Point MP3 - Pointmp3 is one of the best and an easiest online tool that helps you to converts your favourite tracks on YouTube to the mp3 format that is of the highest quality.