YouTube High Definition

YouTube High Definition is a powerful tool that will let you play all YouTube videos in High Definition automatically.YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in High Definition, turn off annotations, change video player size, auto stop videos, auto mute video sound, have high definition support for all other YouTube videos on external sites like Facebook, Twitter and Reddit and much more.

YouTube High Definition solves most common annoyances automatically for you so you can watch YouTube videos in best experience without losing unnecessary time. Most common annoyance for YouTube videos is YouTube does not chose the best resolution for the currently playing video although there is another better video resolution already. Switching each video manually to a better resolution is awkward, difficult and time confusing. YouTube High Definition solves this common annoyance and loads all YouTube videos in Highest Definition automatically for you.

By default, YouTube High Definition plays the video in highest resolution automatically for you. But you can also specify YouTube High Definition to play all YouTube videos in a specific video resolution like 4K (2160p), 1440p, 1080p, 720p, 480p, 360p, 240p and 144p.

Multiprocess Firefox Electrolysis is being developed by Mozilla team and we have already support it beforehand so you can also have YouTube High Definition support for Firefox Electrolysis version.