Very usefull.

Turns youtube into a pleasant experience. Everyone needs this addon.

Just fucking awesome :D

Love the new Firefox extension. Works like a dream.

I have enjoyed the mouse wheel volume control. Which button on my old Mac keyboard is the alt equivalent?

Easy to use, does what I expect it to do, updated.

I love Speed control and themes

It's a cool tool. The developer has "thought" about the interface.

simply, easy, I dont get why not using it

works fine,very clever

Great work, easily enhances your YouTube experience!

El mejor complemento para YouTube. Gran variedad de opciones y utilidades.

Good extension. It has never failed me yet.

Awesome extension!! works very well,great features.

Really a nice one to control the youtube !!!

nice