Get the best VPN extension for Firefox

Protect your online activity, mask your IP, and more with a Firefox VPN add-on

Compatible with Windows, Mac, and Linux

Download the best Firefox VPN extension.
Features of the VPN for Firefox.

ExpressVPN add-on for Firefox: Features

Simple to use

Get VPN protection instantly, straight from your browser window. Encrypt your traffic with a click.

Multilingual interface

English not your first choice? ExpressVPN for Firefox is available in any of 16 other languages.

WebRTC blocking

Protects your privacy by preventing websites from learning your true location and IP address.

HTTPS Everywhere, powered by EFF

Redirects you to the more-secure HTTPS version of the sites you visit, even when ExpressVPN isn’t connected.

Dark mode

The Firefox browser extension offers dark mode, a choice of color theme that’s easy on the eyes.

Video: Try us in dark mode

Introducing dark mode for ExpressVPN's browser extensions

Frequently asked questions

Why do I need a VPN browser extension?
How do I enable VPN on Firefox?
I got the extension. Why do I also need the app?
Why is a VPN extension better than a VPN browser?
Does a VPN hide my browser history?

Why choose ExpressVPN?

More VPN locations

Connect your device to a huge network of 160 server locations in 94 countries.

Optimized for speed

ExpressVPN constantly optimizes servers to deliver the fastest speeds possible with unlimited bandwidth.

Superior connection reliability

Enjoy industry-leading connection stability and reliability, no matter where you are in the world.

Network Lock kill switch

Network Lock blocks your internet traffic if your VPN connection drops, keeping your data safe.

Split tunneling

Choose which apps use ExpressVPN and which apps don’t when you’re connected.

Advanced leak protection

Strong leakproofing is enabled by default, ensuring your privacy and security stay intact.

TrustedServer technology

Audited to confirm privacy protections, TrustedServer sets a new standard for security.

Live chat support

Contact Support around the clock if you have questions about ExpressVPN on any device.

Connect to ExpressVPN’s server network with the Firefox add-on

Access thousands of VPN proxy servers in 160 locations in 94countries from anywhere in the world.