# End-to-end encryption
> End-to-end encryption keeps a message readable only to the sender and intended recipient.
Topics: Apps, Security
Difficulty: Getting technical
Aliases: E2EE
Updated: 2026-06-26T08:00:00.000Z
## Go deeper
End-to-end encryption keeps a message readable only to the sender and intended recipient. In everyday buying decisions, the useful question is not just what the spec says, but what it changes for comfort, cost, speed, safety, or battery life.