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by clarry 2587 days ago
How do I tell if a given video playing in my browser is AV1 or something else?
1 comments

Right click the video and choose Stats for Nerds. If Codecs shows something starting with "av01", it's AV1 (confusingly, av1c is H.264). It seems to be chosen for nearly every video for 480p or below, and a few for higher resolutions.
Do you still need to opt in on YouTube for this?