𝖢𝖸 𝖥𝗎𝗇𝗀
2023-05-12T09:03:06Z

Use AV1 for video playback on YouTube

Use YouTube AV1

Please make sure you install the script from greasyfork.org, not fake sites.

AV1 is highly recommended for Windows 11 and MacOS users. Higher Quality and Lower Bandwidth is provided.

Opposite Script: Disable YouTube AV1

Important!

For Windows, you must have to install AV1 Video Extension. (edge/chrome/firefox/... etc)

Chrome: including Brave, Cent, etc

Browser Support:

https://caniuse.com/?search=AV1%20video%20format

Chrome 70+, Firefox 67+, Opera 57+: supported

Edge, Safari: NOT supported

Note:

Important Note: Some 2K & 4K videos are still running with VP9 and no AV1 encoding is provided.

AV1 will be used over VP9 as possible. (Higher Quality & Higher Compression)

AV1 is not yet supported in hardware decoding.

VP9 is usually supported in hardware decoding in modern PC.

Tests:

4K Video: https://www.youtube.com/watch?v=dFlDRhvM4L0

1080P: https://www.youtube.com/watch?v=iFIXi6zzCls

720P: https://www.youtube.com/watch?v=JLH7_ad0BrI

2012 old video: https://www.youtube.com/watch?v=OG6u8CDvpI4

Video Without AV1: https://www.youtube.com/watch?v=YS1mNPAxnLE