Get the best VPN extension for Firefox

Protect your online activity, change 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.

Location spoofing

Sets your geolocation data in Firefox to match the IP address of the VPN location to which you’re connected.

HTTPS Everywhere, powered by EFF

Automatically directs 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?
Can Google track you with a VPN?
Is ExpressVPN Google Chrome extension safe?
Does a VPN hide my browser history?
How do I know the ExpressVPN extension for Firefox is secure?

Why choose ExpressVPN?

More VPN locations

Choose from VPN server locations across 94 countries, including the UK, U.S., Canada, and Australia.

Optimized for speed

ExpressVPN constantly optimizes servers to deliver the fastest speeds possible.

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.

Best-in-class encryption

Secure and protect all of your data with best-in-class AES 256-bit encryption.

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.

Defeat ISP throttling

ExpressVPN lets you bypass ISP throttling and say goodbye to buffering.

Content from anywhere

Access all the apps and services you need to work, stream, and play.

Live chat support

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

Multilingual interface

English not your first choice? Try ExpressVPN in any of 17 other languages.

Independently audited

Third-party assessments verify our security claims through rigorous testing of our apps and systems.

Customers love ExpressVPN's browser extension for Firefox

ExpressVPN user recommendations.

ExpressVPN provides a smooth, fast and extremely reliable experience to allow greater flexibility and protection on the internet.

ExpressVPN user recommendations.

Overall, I would highly recommend ExpressVPN to anyone in need of a fast and reliable VPN service. It offers excellent privacy protection, great speeds, and exceptional customer support.

ExpressVPN user recommendations.

The best thing about ExpressVPN is that you really won't notice that it's there; you activate it, and it does the rest.

Excellent Rated 4.7 out of 5 based on 18704 reviews

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

Access VPN proxy servers in 94 countries from anywhere in the world.