Install xul-ext-video-without-flash by entering the following commands in the terminal:
sudo apt update sudo apt install xul-ext-video-without-flash
Description:
extension to watch videos without the Flash plugin
Fetch video source of Flash based media and play the video directly with Iceweasel (a.k.a. Firefox), without the use of the Flash plug-in. Supported sites/embed video players: * Blip * Dailymotion * FC2 * HTML5 * NicoNico * ScreenWaveMedia
Homepage: https://github.com/odrevet/video-without-flash-restartless
Version: 3.1.1-1
Section: universe/web