Mozilla is launching a free built-in VPN for Firefox later this month

Mozilla has announced a brand-new feature for its Firefox web browser: a free built-in VPN. It’ll be available later this month for a selected group of people.

“It routes your browser traffic through a proxy to hide your IP address and location while you browse, giving you stronger privacy and protection online with no extra downloads,” Mozilla said in a blog post detailing new features that are coming to Firefox 149.

The built-in VPN has a few shortcomings, though. For starters, users will only have 50GB of data every month. For the average user, this will be more than enough. “Power” users, on the other hand, who like to download a lot of online content, may feel restricted by the monthly 50GB limit.

Secondly, the free VPN will only be available in France, Germany, the United Kingdom, and the United States “to start.” This probably means Mozilla will launch the new feature in other countries as well, but there’s no news on what countries or when.

The free built-in VPN for Firefox, which was first announced in October 2025, is available in Firefox 149 starting March 24th.

Mozilla has been working on a VPN service for years. In 2019, the company tested a Firefox Private Network browser extension. This service functioned as a browser proxy, meaning that security applied only to web traffic routed through Firefox.

At the end of 2019, Mozilla launched a VPN service under the name Firefox Private Network, which would later be rebranded as Mozilla VPN. It was a beta version that allowed customers to use the service for a small fee and provide feedback. Nowadays, it’s a fully developed VPN service.

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Mozilla VPN currently has 582 servers worldwide across 50 countries. A subscription starts at €4.99 per month.

There’s one major difference between Mozilla’s free VPN service and Mozilla VPN. The latter can be used to route all traffic from a device through an encrypted VPN tunnel. The built-in VPN in Firefox only applies to internet traffic in Mozilla’s web browser.

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