It's OK as extension, but in the desktop version is more robust and surely much more secure since the "kill switch" runs all the time in the background as a service of the system. Thus... in case of any interruption or break of the VPN then instantly internet connection is cut-off. No way for your real IP to be exposed. Obviously it is a paid VPN because nothing real good is for free.

Fast and secure vpn

Excellent VPN.

Used on an Arch Linux desktop, dual-boot (linux/Windows laptop & Windows laptop - install and forget.

works good, very convenient plugin.

love it, works great, please add more countries!!

Easy to use, solid performance and the NordVPN support are always available when its required

Works as expected. Nothing to complain.

Nord VPN works well, very simple to use.

it's just works