Скачиваю файл МР4, много. В МР3 не пробывала. Лучше приложения не видела, мощно.

I tried both the firefox app and the online UDL Helper downloader. Both worked but only up to 360 quality. Neither worked to download HD 720 or 1080 or anything better than 360 unfortunately.

parfait et rapide. un concert telechargé en mp4 1080p HD

a

g

WORKS PERFECT FOR ME so far

Does what it says on the tin - exactly what I and probably you needed.

work

This "is" the only YouTube down-loader that works presently. However there a couple of issues that I've run into that need to be fixed: (1) it doesn't work for downloading music videos in MP4, and (2) the orange download button disappears occasionally and you have to refresh the page to get it to appear...