Proton Mail

Proton Mail is a Swiss-based, privacy-first email service that protects communications with end-to-end encryption and zero-access encryption. It is part of the Proton ecosystem, offering Calendar, Drive, VPN, Pass, and more under a single Proton Account. Proton emphasizes open-source software, transparency, and privacy by default, with no ads and no data selling.

• End-to-end encryption and zero-access encryption
• Open-source software, independently audited
• No trackers, ads, or data selling
• One Proton Account for Mail, Calendar, Drive, VPN, and more
• Easy Switch migration from other providers
• Hide-my-email aliases and calendar sharing
• Cross-device access and syncing across apps

• Privacy by default backed by Swiss privacy laws
• Strong encryption that keeps data inaccessible to others (including Proton)
• Open-source transparency with independent security audits
• No ads and no data selling; governed by a nonprofit foundation
• Integrated privacy-focused suite (mail, calendar, drive, VPN, etc.) with easy migration

• Free Forever basic plan available
• Paid plans with more storage and features
• Prices shown in CHF, EUR, and USD on the Pricing page
• Subscriptions can be upgraded/downgraded with prorated credits
• Free Proton account available to start using core features