Secure Messaging, Reimagined

NebuChat leverages end-to-end encryption and decentralized servers to ensure your conversations remain entirely private. No account registration. No data tracking. Pure sovereignty.

NebuChat App Interface
Core Technology

Privacy is not a feature, it's a right.

lock

End-to-End Encryption

Every message is encrypted using AES-256 before it leaves your device. Only the recipient can decode it.

hub

Decentralized Servers

Host your own server. No central point of failure. Your data flows through your own infrastructure.

no_accounts

No Registration

No email or phone number required. Create a ChatID in seconds without leaving a trace.

key

Secret Key Protection

Your keys, your security. Messages remain encrypted until the correct secret key is entered.

How Encryption Works

See how NebuChat keeps your messages secure from prying eyes with AES-256 encryption.

Secure Communication Flow

When you send a message with NebuChat, it's encrypted on your device using AES-256 before being sent to the recipient. Only the intended recipient with the correct secret key can decrypt and read the message.

Message encrypted on your device
Encrypted message sent through network
Message decrypted only on recipient's device
End-to-End Encryption Visualization

Try Our Encryption Demo

Your encrypted/decrypted message will appear here...

Getting Started

Learn how to set up and use NebuChat in just a few simple steps.

01

Download & Install

Download NebuChat and install it on your device. No account registration required.

02

Enter Server Address

Add your own server starting with https:// to host chats. Your messages will be fully under your control.

03

Create Your ChatID

Create a ChatID. Share this ID with people you want to communicate with.

04

Set a Secret Key

Create a strong secret key for encrypting and decrypting messages. Share only with trusted recipients.

Available Everywhere

Stay connected across all your devices without compromising on security. Download NebuChat for your platform.

iOS

Requires iOS 18.0 or later

App Store
iOS QR Code
Android

Requires Android 8.0 or later

Coming Soon
Android QR Code
Desktop

Windows and macOS

Frequently Asked Questions

Is NebuChat really free to use? expand_more
Yes, NebuChat is an open-source project dedicated to privacy. There are no subscription fees, ads, or data-selling. We are supported by community donations and grants.
How do you handle backups? expand_more
Backups are encrypted with your master key and can be stored locally or on your own private cloud. We never host your backup files on our own infrastructure.
Can I use my existing phone number? expand_more
NebuChat is designed to work fully anonymously using only cryptographic ChatIDs. No phone number or email is required.
What encryption does NebuChat use? expand_more
NebuChat uses AES-256 encryption for all messages. This is the same encryption standard used by governments and security agencies worldwide.
Can I host my own server? expand_more
Yes! NebuChat is designed for decentralization. You can host your own server and have complete control over your messaging infrastructure.