Firefox's Free VPN Goes Unlimited Until 2027, but Can It Shift Browser Share?
Mozilla has lifted the data cap on Firefox's built-in VPN through January 31, 2027. Browser-only coverage and a temporary window limit what it can do.

Mozilla has removed the monthly data cap on Firefox's free VPN, and that's a more interesting move than it sounds. The company is using a privacy feature that already exists to give people a reason to open Firefox instead of Chrome or Edge. The offer runs through January 31, 2027, and it covers desktop and Android users. My read is that the promotion matters less for its data volume than for what it asks of users: a Mozilla account and nothing else.
What changed and who qualifies
The temporary offer began November 10, 2026. Users no longer hit a monthly data limit on the browser's VPN, and they don't need to buy a separate subscription. A Mozilla account is the only requirement.
That's a meaningful change for anyone who relies on the feature day to day. Under the earlier cap, heavy use on a laptop during a week of travel could run out the allowance quickly. Removing the ceiling turns the VPN from a rationed extra into something people can leave switched on.
Eligibility is restricted by region, so users need to check whether they qualify before they count on the feature. Mozilla hasn't made the same promise on every platform. The free service currently works on Firefox desktop and Android, and the company says iOS support is coming, though it hasn't attached a date to that.
What the VPN hides, and what it doesn't
Mozilla's pitch centers on shared networks. Airport lounges, hotel Wi-Fi and café connections are the places where a VPN earns its keep, because the operator of the network can otherwise see which sites you visit. Mozilla says its integrated service conceals that browsing activity from the operators of those networks. It also says the service makes it harder for websites to work out where you are, and it masks your IP address so sites have a weaker basis for tying separate sessions to one connection.
The company is also making a claim about its business model. Mozilla says it doesn't use browsing data to sell advertising and doesn't keep records of the websites users visit. In Mozilla's words, "you're not trading your browsing data for that protection." That's a specific claim, and it's the one most worth testing against the company's published privacy documentation before building it into any workflow.
There are limits, though. Hiding your IP address doesn't make you anonymous. Cookies and logged-in accounts still let websites recognize you across visits, and a VPN does nothing about that. The feature also doesn't erase browsing history stored on the local machine. If someone needs that cleared, Firefox's Private Windows is the tool to use alongside the VPN.

Scope: browser traffic only
The most important constraint is that the VPN covers internet activity inside Firefox, not every application on the device. A video call app, a mail client or a background sync service won't go through it. Anyone who wants device-wide protection needs Mozilla VPN, the separate paid product.
That split is sensible from a product standpoint, but it shapes who gets value from the free tier. Someone who mostly browses and wants protection on public networks gets a real benefit. Someone who needs the whole machine covered will still need to pay or use another tool.
Setup is short. On desktop, you sign in to a Mozilla account, select the VPN control in the toolbar and follow the activation steps. On Android, the feature sits under the browser's three-dot menu, in Settings, within the VPN configuration section.
Can a promotion move users off Chrome and Edge?
Mozilla put this offer in the context of browser competition. Chrome held 68.79% of the global browser market in October 2026, and Edge held 5.36%. Those are the numbers the company is working against, and they're not small. Chrome benefits from its installed base, its sync across devices and its tie-in to Google's services. Edge benefits from its position in Windows and its integration with Microsoft accounts. Neither of those advantages is erased by a free VPN.
That's why a time-limited feature alone looks like a weak lever for large share shifts. People who switch browsers usually do it for reasons that persist: speed, extensions, bookmarks, or a dislike of how their current browser handles data. A privacy feature can tip someone who's already unhappy, especially someone who travels or works from cafés. It's less likely to move someone who's content with their current setup.
Here's the thing, though: the feature has a built-in test. Once the window closes on January 31, 2027, the question becomes whether users keep the VPN, keep Firefox, or both. Mozilla will have to decide what stays free after that point and how much of the current experience survives the change. Users who built their routines around unlimited browsing protection will notice if the cap returns.
For developers and IT teams, the practical takeaway is narrower. If you're recommending a browser for staff who work on shared networks, this is worth a look, but it doesn't replace a device-level VPN policy. And if the iOS release lands, the picture changes again, because Apple users are a large part of the audience Mozilla would need to reach.