About
Proton Mail is an encrypted email app that protects your communications with end-to-end encryption, making messages unreadable to anyone except sender and recipient. Create a @proton.me or @protonmail.com address, send and receive encrypted emails and attachments, manage multiple accounts, and organize your inbox with folders, labels, and swipe gestures. The app uses zero-access encryption so Proton cannot decrypt your messages, includes phishing and spam protection, and offers dark mode. Available free with optional paid plans.
Highlights
- End-to-end encryption on all messages and attachments, with zero-access architecture preventing Proton from decrypting your emails
- Create @proton.me or @protonmail.com addresses and switch between multiple Proton Mail accounts
- Organize inbox with folders, labels, and swipe gestures; manage conversations and receive new email notifications
- Password-protected emails to send securely to anyone, plus phishing, spam, and tracking protection
- Open-source cryptography using AES, RSA, and OpenPGP with no built-in backdoors
Best for
Anyone seeking private email communications without surveillance or targeted ads. Used by millions worldwide who want their inbox secured with encryption that Proton cannot access or decrypt.
At a glance
Proton Mail - Encrypted Email is rated 4.7 out of 5 from 24,650 ratings and is available on iOS and Android — all free to download.
It is developed by Proton AG.
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