MP3 Video Converter: Free Video Converter — Convert MP4 Online
How to Convert YouTube to MP3 on Windows, Mac and Mobile
Video MP3 Converter
How to convert mp3 from YouTube Videos for free - Software Accountant
TubeMate YouTube Downloader - This post explains about 'Convert' configuration. First, you need to enable MP3 Video Converter (requires an additional app installed from play store) for download audio (AAC/MP3) and video