Open your Firefox-based browser and click here. The Firefox extension also works with browsers that are based on Firefox, such as LibreWolf and Waterfox. How to install the Proton VPN browser extension for Firefox
The biggest difference between using our VPN app and our browser extension is that our VPN apps protect all internet traffic entering and leaving your device, but our browser extension protects exclusively traffic inside your browser. This stand-alone extension provides a quick and convenient way to protect your privacy while browsing the internet and is available to everyone with a: Proton VPN offers a browser extension for Firefox and Chrome.
