Proton was started in 2014 by scientists who met at CERN and shared a vision of an internet that defends freedom and puts people first. Our transparency, open-source software, and rigorous encryption have earned Proton millions of users — and the recommendation of the United Nations.

Sign in to your Proton Account to access all encrypted Proton services such as Proton Mail, Drive, Calendar, and more. Don't have an account? Create one for FREE.

To start using Proton VPN, sign up for free or buy a paid Proton VPN Plus account. With our paid plans, you can use Proton VPN on up to 10 devices at the same time, connect to over 20,000 high-speed servers in over 140 countries, and access premium features.

Proton Mail is based in Switzerland and uses advanced encryption to keep your data safe. Apps available for Android, iOS, and desktop devices.

Sign in to access your Proton Mail account

Proton Mail is the world’s largest secure email service with over 100 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.

Proton was founded in 2014 by scientists who met at CERN, the birthplace of the internet. We have always had a central mission: to build a better internet where privacy is the default.

Download Proton Mail, Proton Calendar, Proton VPN, and Proton Drive for your device (Android, iOS, Windows, macOS, or Linux).

Proton VPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.

Proton VPN is the world's only free VPN app that is safe to use and respects your privacy. Created by CERN scientists behind Proton Mail, our fast VPN offers unlimited, secure, encrypted, and...