A single, secure home for your digital world
Proton lets you protect what matters most, encrypted email, calendar and cloud storage built around one principle: only you can access your data. Not even Proton can.
Trusted by over 100M people worldwide
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Keep your emails, calendar, and files in one place
Sign up for Proton and manage every part of your digital life with a single account
Shield your data from AI training
Create freely, store personal data, and upload photos of your loved ones knowing your content is never used to train AI models.
Maintain sovereignty with European privacy
Protect your email and calendar from American surveillance and data requests. Proton is European-based, keeping your data outside US jurisdiction.
Stay secure and protect your privacy
Send emails, book appointments, and store files with confidence. End-to-end encryption keeps your data safe from breaches, hackers, and prying eyes — not even Proton can see it.
Manage everything with one account
Plan a weekend group trip effortlessly: send the calendar invite, email the details, and attach itineraries or documents from your cloud, with no extra logins.
Access files and emails from anywhere
Organize photo albums, schedule meetings, and draft important emails on any device. Instantly pick up where you left off across your phone, tablet, and laptop.
Get the features you expect, plus privacy
Proton Mail, Calendar, and Drive help you manage your digital life on your terms, with an added layer of protection running automatically in the background.
Declutter your inbox
Keep things organized with folders, labels, and filters and clean up clutter with the ability see and manage your email subscriptions in one place.
Keep memories safe
Automatically backup photos to ensure you never lose your memories, even if your device is lost. Then organize them into albums to relive the moments that matter most in a few taps.
Power your productivity
Manage your schedule with Proton Calendar, stay on top of email, and write, collaborate, and analyze data using Proton Drive’s document and spreadsheet editors.
Stay safe online
Block phishing attempts, flag suspicious emails, hide your real email address with aliases, and rely on built-in encryption to protect you from tracking, scams, and surveillance.
Access across devices
Experience the ease and security of Proton Mail, Calendar, and Drive on all your devices with our open-source apps for web, desktop, Android, and iPhone.
Share on your terms
Send password-protected emails and share files with expiring links, access controls, and the ability to revoke access at any time.
Unlike Google or Microsoft, Proton can't read your data
Proton doesn’t access or monetize your information. Instead, you get simple, secure European email and cloud storage without handing over the keys to your data.
| |  |  |  |
|---|---|---|---|
| End-to-end encrypted by default | | | |
| Fully open-source | | | |
| Outside of US-jurisdiction | | | |
| Ad-free business model | | | |
| Doesn't answer to investors | | | |
| Based in Europe | | | |
Ad free, always free
Proton Mail and Drive offer free and secure email and cloud storage powered by our community, not surveillance capitalism. Our free plan is supported by paid subscriptions that offer extra features and storage.
Highest standards of privacy
Proton is incorporated and headquartered in Switzerland, meaning your data is protected by some of the world's strictest privacy laws.
Open source and independently audited
All Proton services are open source and independently audited for security. We also maintain open-source encryption libraries used by millions of people around the world.
Your email and files should be yours. Start for free.
Encrypted email, calendar, and files with one single account.