Download VPN for Firefox – KeepSolid VPN Unlimited®


  • Strong Security and Unlimited Online Access
  • Intuitive and User-Friendly App
  • Hundreds of Servers in 80+ Locations

Add the KeepSolid VPN Unlimited extension to your Mozilla Firefox browser and enjoy total privacy everywhere and unlimited web surfing anytime!

What You Get by Downloading Our VPN Extension for Firefox

Access to VPN Streaming Servers

Watch top streaming channels like the US Netflix, Hulu, and BBC iPlayer without restrictions. The best TV shows and movies are within your arm’s reach.

Secure VPN Addon for Web Browsers

VPN Unlimited features numerous security measures, including AES-256 encryption and WebRTC leak prevention. These protect your internet traffic from any cyber threats.

Anonymous VPN Plugin for Browsers

Masking your real IP address and the auto connect feature is but one of the many examples of how our virtual private network for Firefox protects your privacy.

How to Set Up Firefox VPN Addon by KeepSolid

Install the app
Choose a server
Enjoy secure browsing

If you need any help, please check our FAQ or contact our Support team.

Why Choose KeepSolid VPN Unlimited for Firefox

KeepSolid VPN Unlimited browser extension has all the benefits of our security app. Concerning the world of online privacy, it gives you even more protection in case you use web browsers with the WebRTC protocol applied by default.

What is WebRTC Leak

The WebRTC technology allows to reveal a user’s local and public IP address to all concerned parties, even if a VPN service is enabled. This can affect your personal data; including credit card details, passwords, or even your location because IP addresses can provide an entry point for this information and for many malicious users who want to get their hands on it.

How does VPN Prevent WebRTC Leaks in your Firefox Browser

Our lightweight VPN Firefox extension securely hides your real IP address, as well as totally protects all of your sensitive data. It provides an easy way to turn off the WebRTC protocol in your Mozilla Firefox browser and allows it to get the most possible anonymity and privacy online; enabling you to bypass all sorts of internet restrictions, blocks, and censorship. Install KeepSolid VPN Unlimited to your Firefox browser and enjoy the smoothest web experience ever.

Download the Best VPN Addon for Mozilla Firefox

Speed and Stability

500+ fast VPN servers in over 80 locations all over the world ensure the fastest and most reliable VPN connection with the Mozilla Firefox web browser.

Firefox Plugin for Invisible Browsing

When you’re connected to a VPN server, your real IP address is masked, making it impossible to trace your online actions and figure out your real identity.

Rock-Solid Encryption

VPN Unlimited® encrypts all the internet traffic moving through your Firefox browser, protecting your personal information and sensitive data.

Extra Security Measures in Plugin for Mozilla Firefox

Our VPN Firefox addon offers a number of optional features for advanced protection, e.g. VPN auto connect and WebRTC leak prevention.

Benefits You Get from Downloading our VPN for Firefox

256-bit Data Encryption

Use the highest encryption level in the industry to secure your private data from hackers, snoopers and governments

KeepSolid Wise technology

Try additional level of encryption and obfuscation for your extended privacy and unlimited web access

500+ Servers in 80+ Locations

No matter where you are or where you travel to, KeepSolid VPN Unlimited® will connect you to your favorite content

Up to 10 Devices for Free

Pay once - use on all your devices. So, whether it’s your laptop, tablet, mobile or PC, you can enjoy true freedom on every device

Ultimate Speed & No Data Limit

Download, browse, stream or share, KeepSolid VPN Unlimited® users are free to do whatever they want!

Additional service

Protect your online activities with our special extras: a Lifetime VPN subscription, Personal Server/IP options, and the ability to set a VPN on your WiFi Router.

FAQ on VPN extension for Mozilla Firefox

What is the best VPN addon for Firefox?

How to add VPN to Firefox?

How to use VPN extension for Firefox?

I can’t figure something out about VPN browser extension!

How to Try Our VPN for Firefox for Free

VPN Unlimited is a subscription-based service, but that doesn’t mean you can’t use our browser plugin for free! Just download VPN Unlimited for Firefox and sign in. After that, you will be able to activate the full-featured 7-day trial period for free. VPN Unlimited will be available in your web browser to you with all of its cool features.

What do you get with the free VPN trial for Mozilla Firefox browser?

  • Total security for web traffic
  • Unmatched privacy online
  • High-speed internet connection
  • Coverage for up to 5 devices

Get Risk-Free VPN Addon for Firefox

VPN Unlimited for Mozilla Firefox is your bulwark against the perils of the cyber world. Install our virtual private network for Firefox browser now and enjoy your safe and carefree online journey with a 7-day free trial.

Free 7-day trial
30-day money-back guarantee