App does what you said

Works very well on Firefox ! On chrome, it has some issues with the 'Expand' button

impressive list of customizations here

Youtube Web'e güzel özellikler katıyor. Tavsiyedir.

Mini Player broken. 2-9-25

The auto play doesn't exactly stop it from playing, it keeps it from playing for about 30 seconds and then launches into the ad or the program. even behind other you tubes already playing.

very often this thing doesn't start. you need to enable/disable the addon and reload the page several times

Really good extension except scrolling to the comments is buggy and also using youtube iframes doesn't work with the extension.