ProtonVPN is a virtual private network service developed by Proton AG, the Swiss company best known for ProtonMail. It positions itself as a privacy-first VPN, offering strong encryption, a transparent development process, and features designed to protect users on untrusted networks and to help preserve online anonymity. Because Proton is based in Switzerland, it benefits from strong privacy laws and independent jurisdictional protections that differentiate it from services headquartered in more surveillance-prone countries. Core features set ProtonVPN apart. It supports modern VPN protocols, including WireGuard for fast and efficient connections, and offers reliable AES-256 encryption. The Secure Core architecture routes traffic through privacy-friendly countries (such as Switzerland and Iceland) before it exits to the public internet, which reduces the risk that an attacker could trace connections back to a user. ProtonVPN also provides a built-in kill switch, DNS leak protection, and support for Tor over VPN, enabling easy access to .onion sites without running a separate Tor client. ProtonVPN caters to both casual and advanced users. There is a free tier that provides limited server access and speeds but no data caps, making it a solid option for basic protection on public Wi‑Fi. Paid plans (Basic, Plus, and Visionary) unlock more servers, higher speeds, Secure Core, streaming-optimized servers, and other extras like simultaneous connections and ProtonMail bundles on higher tiers. The apps are available across major platforms—Windows, macOS, Linux, Android, and iOS—and Proton provides configuration guides for routers and other devices. Transparency and trust are central to ProtonVPN’s public image. The company publishes transparency reports, has made its apps open-source, and has undergone independent security audits. These steps help validate its no-logs assertions and allow security researchers to review the code. Still, users should consider their own threat model: while ProtonVPN offers strong protections for everyday privacy and travel, no tool can provide absolute anonymity in all scenarios. In terms of performance, WireGuard support and a growing server network generally deliver competitive speeds suitable for streaming, browsing, and file transfer. The free plan’s limitations and the cost of higher-tier subscriptions are trade-offs to weigh against competitors, but many users find the balance of privacy, ease of use, and transparent practices compelling. Conclusion: ProtonVPN is a well-rounded choice for privacy-conscious users who want a reputable, transparent VPN backed by a company with a strong track record in secure communication. Evaluate your needs—speed, streaming, maximum anonymity—and consider ProtonVPN among other options when choosing a VPN provider.