I haven't used but it but looks good

The best add-on for youtube so far

this is Good

Perfect

Its really helpful and well thought out Fully deserves five stars :D

It's awesome..keep up the great work. I definitely appreciate it. Thanks!

i have installed this plugin wherever possible. Is a life and time saver for an avid youtube user. Just small issues with the new Youtube user interface, otherwise it's working perfectly.

Works very well!

works well so far

This is a good extension, cinema mode works really well, better than the vanilla theatre mode.

Great add on very useful

Muito bom, fácil de usar e cumpre o que promete.

Massive props to the dev its the extension that gets br=etter , I love it features in a quick crisp way

More intuitively user friendly. Thanks.

This has made youtube fun again. I've been telling my friends that the best feature of the new and improved Firefox browser is the Enhancer add on. Thank you.

Really awesome features...
Totally love the additional stuff provided especially the PiP...