Greasy Fork is available in English.
This script adds a download button, a faster way to download audio and video from YouTube with guaranteed quality. This site is very simple, fast and effective to download! Best of all!
Hola,
Intenta limpiar la caché de Mozilla y vuelve a intentar amigo.
Download MP3 & Video for YouTube no funciona
Envia a otra página y de ahí no se puede descargar