I think it!s briliant!
Works great & has a lot of options.

Хорошее дополнение. Режет рекламу и прочие ненужности. Удобная регулировка громкости и скорости воспроизведения.

work perfect. love it

works perfectly as expected

very good!

I love what this add-on is able do. It makes watching for extended periods a joy with control over the size of the video and the colors of the interface.

Great, works well for me...

<><>Perfecto<><>

Great extension! Can't imagine myself without it. Thank you!

Perfekt...

all in all a great functional add on, keep the work up.

Added it to one of my must have extension. Extension like this make me to stick with Firefox.

Great extension.

Made an account just to rate this extension, it makes YouTube function so much more efficiently. Would definitely recommend

Best Video Enhancement Just Great!

Great addon!

I use it to stop youtube videos that are in pinned tabs when launching firefox. Works great !