There's no loop counter, but this addon works for me. On Youtube, playing a video, and right-clicking on the video shows a menu, where we can loop forever the vid.

YA NO SIRVE, ME DA: 500 Internal Server Error

Installs fake "Firefox update" scamware.
Do not want nor need scamware just to repeat a video.
Also tries to install a hijacker.

Use to be one of must have extension for your Mozilla, now become totally malware ads clicker.. very disappointed..

تحوي دعايات احتيالية مدفوعة
contain violated payments ads

Gó*** nie działa, za to wyświetla reklamy kradnące dane!!!!!

Legal

100000

This is one of the best extension ever. The reason is because it has everything I needed and it worked really well and gave no problems. Two thumbs up!