Kapsul uses the Signal Protocol to ensure your messages stay private. No one, not even us, can read your conversations.
Built with security and simplicity in mind. Everything you need for private communication.
Your messages are encrypted with the Signal Protocol. Only you and your recipient can read them.
Real-time messaging with instant delivery. No delays, no waiting.
Use Kapsul on any device. Your conversations sync seamlessly across all platforms.
Crystal clear encrypted calls with your contacts. Stay connected face-to-face.
Create secure group conversations with friends, family, or teams.
We cannot read your messages, see your contacts, or access your data.
We believe privacy is a fundamental right. That's why Kapsul is built from the ground up with security at its core.
Industry-leading encryption used by billions of people worldwide.
Each message uses unique encryption keys that are automatically rotated.
Our encryption is transparent and can be audited by security researchers.
Military-grade encryption protects every message you send
Kapsul is built by a team of privacy advocates and security experts who believe that everyone deserves secure communication. We're committed to keeping your conversations private—always.
Join millions of users who trust Kapsul for secure, private messaging. It's free to use.