Ive played a few videos after installing the add on, and checked stats for nerds which showing the codec as avc1, (which is H.264) so it does appear to be working correctly by blocking VP8, VP9 and AV1

I have no idea what the other reviewers are talking about. Before blaming the app, perhaps you might want to take a look at your firefox's about:support settings and make sure that your settings/OS/drivers aren't blocklisting the h264 functionality. This project has made my old Sandy Bridge i5-2435M, Ivy Bridge i5-3320M and Haswell i7-4960HQ fully USABLE in the year of our lord 2025.

Of course certain iGPUs aren't powerful enough even with AVC decode (thinking about my first gen Arrandale i7-640M) on 1080p, but hell, this thing just works! Thank you for continuing this project Alex.

Thanks to this plugin I was able to resolve iGPU heating issue on MBP 16 2019 which is not capable of natively decoding AV1 content. I needed to disable only AV1 and keep VP9 so I still can play 4k 60fps content.

Great can work on Firefox for Android too

좋아요

Works as advertised, can block .h264 to fix issues with AVC1 playback in Firefox.

супер

Works well on Firefox for Android.

Some Youtube video's for me where draging my CPU and memory and videos kept on stoping starting and realy annoying so I searched for something to help and got this and it works great and I have had no more videos dragging resources. Thank you

по крайней мере, аппаратное ускорение работает.