OnyxChat
Private messaging, effortless connection.
End-to-end encrypted. Open source. Available everywhere.
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Built for real privacy
Everything you need in a modern messaging app — without the tracking.
End-to-End Encryption
Your privacy is non-negotiable. OnyxChat uses advanced cryptographic protocols ensuring your messages are only readable by you and the recipient.
Lightning Fast Sync
Never miss a message. Enjoy real-time, instantaneous delivery and synchronization across Android, iOS, and Windows simultaneously.
Premium Glass UI
A visual masterpiece. Frosted glass panels, rich depth, vibrant adaptive themes, and buttery-smooth 60fps transitions — on every device.
Zero Tracking
We collect no telemetry, sell no data, and run no ads. Your conversations stay between you and your contacts — full stop.
Cross-Platform
Chat seamlessly from your Android phone, your PC, or your browser. OnyxChat syncs instantly across all your devices.
Open Source
Fully auditable. Community-driven. The entire OnyxChat codebase is open on GitHub — fork it, contribute, or self-host.
Everything you expect
and more
Military-grade encryption
OnyxChat uses X3DH key exchange and Double Ratchet algorithms — the same protocols trusted by Signal — to guarantee that your messages are never intercepted or stored on any server.
Chat on any device
Whether you're on your Android phone during your commute or at your Windows PC in the office, OnyxChat keeps you connected with perfect sync and a consistent experience everywhere.
Support Development
OnyxChat is free forever and built by independent developers. Your contributions directly fund secure servers, cryptographic research, and open-source libraries.
Bhim UPI
Support via UPI
Got questions?
We have answers. Everything you need to know about OnyxChat.