Free plan with basic features, plus paid subscription plans (Mail Plus, Unlimited, Family, and Business) with enhanced storage, features, and services.
Enterprise plans are custom quoted; individual and team plans available with 14-day free trial
Key features
Encrypted email
Encrypted cloud storage
Password manager
VPN service
Two-factor authenticator
Video conferencing
AI assistant
Collaborative documents
Online spreadsheets
AI discovery to identify unmanaged AI tools
Unsecured credential detection in local files
Unified audit logs with full attribution
Just-in-time access control
Centralized secure vault for all credential types
What makes it different
End-to-end encryption where no one, not even Proton, can access user data
Swiss-based with protection under strong privacy laws
Open source and independently audited by security experts
Non-profit structure with no venture capital or advertising
Privacy as a fundamental human right, always available for free
Unified platform for humans, AI agents, and machines in one system
Designed specifically for AI agent and machine workload security
Trusted by over 200,000 businesses including 30% of Fortune 100
Full-attribution audit trail across all identities
No standing privileges enforced through just-in-time access
Proton