Get Surfshark
for Firefox

We're so sure you'll love our extension for Firefox that we're offering a 30-day money back guarantee.


Benefits of Surfshark VPN proxy extension

Unrestricted entertainment

Download, share and stream anything you wish.

Ultra-fast speed

Shield yourself from anyone who can spy on your online activities and steal your sensitive information.

Diamond-strong protection

Your internet experience will not be ruined by slow speeds.

Start using Surfshark in 3 easy steps

Ready. Set. Surf.


Download & install

Get Surfshark extension for Firefox at Firefox add-ons.


Create account or login

Your money is safe with 30-day money back guarantee.



Choose a location and tap 'Connect’.

With Surfshark
you get


Everything’s robust on the inside but as simple to use as turning on WiFi.

Strict no logs policy

Based in the British Virgin Islands - we don't monitor, track or store your online activity.

Unlimited devices

One account for you and your whole family.

Privacy over public WiFi

Stay safe while traveling or dining out in the city.

IP masking

Surfshark masks your IP address, so it’s impossible to link it to your online activity via IP detection.

Zero-knowledge DNS

Private DNS on every server leaves no cracks for potential security breaches.

Internet without borders

We help to evade all efforts to control access to the free web.

Friendly support

Our eager-to-help team is here for you 24/7.

Surfshark's extension for Firefox is a lightweight and easy-to-use tool to guard your privacy while you surf the net. We put together the best industry had to offer and made robust protection.

Magnus Steinberg

Chief Technology Officer

Have more questions?

Our Customer Success Team is ready 24/7.

Contact us

Get Surfshark for Firefox

30-day money back guarantee.