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ProtonVPN is a virtual private network service developed by Proton AG, the same company behind ProtonMail. Built with privacy as a core principle, ProtonVPN emphasizes strong encryption, transparent development, and protections designed to keep user data out of reach of third parties. Its headquarters in Switzerland gives it a legal advantage thanks to robust privacy laws and a tradition of resisting unwarranted surveillance. Key features that set ProtonVPN apart include Secure Core routing, which routes traffic through privacy-friendly countries before it leaves the VPN network, and support for modern VPN protocols like WireGuard, OpenVPN, and IKEv2. ProtonVPN apps are open-source and have undergone independent security audits, improving trust for users who want to verify what the software does. The service also uses industry-standard encryption algorithms and perfect forward secrecy to limit the impact of any potential future key compromise. ProtonVPN offers a range of plans to suit different needs. There is a free tier that provides a limited number of servers and modest speeds — an attractive option for casual users who want basic privacy protections without cost. Paid tiers unlock faster speeds, access to more servers and countries, P2P support for torrenting, access to streaming-optimized servers, and additional features such as NetShield (an ad and malware blocker), Secure Core, and the ability to connect to Tor over VPN. Higher-tier plans may bundle other Proton services like ProtonMail for users looking for an integrated privacy suite. The apps are available for Windows, macOS, Linux, iOS, and Android, and ProtonVPN supports manual configuration on routers and other devices. Features such as a kill switch, split tunneling (on some platforms), and DNS leak protection are standard, ensuring that your real IP address and DNS queries aren’t exposed if the VPN connection drops. No service is perfect. ProtonVPN’s paid plans tend to be pricier than some mainstream competitors, and while its server network is extensive and growing, it may not match the raw number of locations offered by the largest providers. However, for users who prioritize data sovereignty, transparency, and verified security practices, ProtonVPN is a compelling choice. In summary, ProtonVPN is well-suited for privacy-conscious users and those seeking a trustworthy, auditable VPN solution. Its combination of Swiss jurisdiction, open-source clients, security-focused features, and a usable free tier make it a strong option for individuals and professionals who want reliable online privacy without sacrificing usability.