Choosing the best VPN for Firefox comes down to a handful of factors that matter more in a browser context than anywhere else: extension availability, connection speed, privacy credentials, and how well the VPN handles DNS leaks and WebRTC exposure — two vulnerabilities that Firefox users are particularly susceptible to.
Firefox doesn't sandbox tabs the way Chrome does, which means a misconfigured or absent VPN can expose your real IP address even while you believe you're protected. That makes the quality of a VPN's browser integration, leak protection, and underlying no-logs architecture especially important here.
For this list, we evaluated each VPN on independently audited no-logs policies, WireGuard or equivalent protocol performance, jurisdiction (and what that means for data retention obligations), Firefox extension quality, and overall transparency. We did not accept sponsorships or adjust rankings based on affiliate rates.
At the top of the list is hide.me, which earns its place with dual independent audits from DefenseCode and Securitum, a Malaysian jurisdiction outside all intelligence-sharing alliances, a genuinely usable free plan, and a well-maintained Firefox extension. NordVPN follows with six consecutive Deloitte audits and post-quantum encryption, though its corporate history requires honest disclosure. Surfshark offers unlimited connections at industry-low pricing, while ExpressVPN brings 23 independent audits and court-verified no-logs to the table — alongside some ownership concerns that privacy-focused users should weigh carefully. ProtonVPN stands out for nonprofit ownership and fully open-source apps, and Private Internet Access rounds out the list with the only no-logs record proven twice in federal court.
Each of these VPNs works with Firefox, but they're not equal. Read through the individual breakdowns to find the right fit for your specific privacy needs and browsing habits.