After trying 10-15 extensions i found it the best

раньше была одна звезда, но разрабы завезли обещанные бесплатные серверы с нормальной скоростью, так что пока пять звезд, если испортится- поправлю отзыв.

It force us to make an account...wtf
VPN it means we want privacy!
Making an account spoils all the privacy!

Following update, it is no longer possibile to use it registration-free. Whoever changed this did a disgrace. I encourage every user to remove this addon ASAP and switch to an anonymous VPN. Shame on you developer.

I wish the free time could be more

does not work in latest versions of ffox. waste ur time signing up than cannot connect to ANY of their servers. no error given.
breaks your connection at random for no apparent reason thus revealing your true ip. No reliable webrtc protection even with their addon. They removed one of the good features which was residential ips, not longer available. There really are no good free vpns available and I've tried many.

Before this VPN works, but now your velocity is so much slow.