Mozilla to launch free built-in VPN in upcoming Firefox 149
Source: Hacker News
Overview
Mozilla announced that Firefox 149, scheduled for release on March 24, 2026, will include a free, browser‑integrated VPN tier. The feature is presented as a safer alternative to many “free VPN” services that often have hidden trade‑offs, leveraging the same privacy principles that underpin Firefox.
Free VPN Tier Details
- Data allowance: 50 GB per month.
- Initial rollout regions: United States, France, Germany, and the United Kingdom.
- Implementation: The VPN routes browser traffic through a proxy, masking the user’s IP address and location without requiring a separate download or extension.
The phased regional launch suggests Mozilla will evaluate performance, demand, and support before expanding the service.
Privacy and Technical Context
- Mozilla emphasizes that the VPN aligns with its long‑standing data‑minimization stance.
- The company does not disclose the underlying technical provider or infrastructure.
- Firefox is designed so that even Mozilla should not know which websites users visit or what they do there, as outlined in its user‑privacy policy.
- Mozilla does not sell personal data and uses end‑to‑end encryption for synced browsing data (history, bookmarks, etc.) before it leaves the device.
Firefox remains one of the few major browsers not built on Google’s Chromium engine, relying instead on Mozilla’s open‑source Gecko engine. This independence has long been a core part of Mozilla’s privacy‑focused positioning.
Related Firefox 149 Enhancements
- Sanitizer API: Firefox became the first browser to ship this web‑security standard, which blocks certain attacks before malicious content reaches users.
Reference: Cybersecurity article - AI Controls: Ongoing efforts to give users the ability to disable or selectively manage generative AI features.
- Split View: Enables side‑by‑side browsing.
- Tab Notes (Firefox Labs): Allows users to attach notes to individual tabs.
- Smart Window: Formerly “AI Window,” now an optional, opt‑in browsing assistant.
Limitations
The built‑in VPN protects only browser traffic. It does not provide full‑device protection, so users should not assume that activating it secures all internet traffic outside of Firefox.