These times are no YouTube Downloader/Converter which are good.
The most are in a really bad quality or are filled with ads, so you need to wait more then 10 minutes just for a simple video.
With YouTube-Converter you can simply convert YouTube Videos to MP3 or MP4 in a couple minutes*.
To use this addon you need this program
https://github.com/philliphqs/YouTube-Converter/releases/tag/alpha otherwise it cannot work. If you aware this is a harmfull program you can always check the source code which is free available on Github (
https://github.com/philliphqs/YouTube-Converter)
* depends on your internet connection
