Create
Open Chat256 and start a private chat.
PRIVATE CHAT · APP + WEB
Chat privately.
Keep your number private.
Chat256 lets you start private chats without a phone number or account. Connect with a QR code, link or chat key.
No phone number · No account · QR · Link · Chat key
Chat256
Private chat
A
AlexPrivate chat
•••
Message↑
Encrypted messagingReal-timeDisappearing messages
01No phone number
02No account
03QR · Link · Chat key
04App + web
HOW IT WORKS
Start chatting in a few steps.
No phone-number exchange. No account setup. Just create a chat and share the way that works for you.
Share
Use a QR code, link or chat key.
Chat
Message, share supported media and stay connected.
CHAT256
Everything you need to chat privately.
Simple to use when you need it. Powerful enough for everyday communication and professional work.
QR code
Meet someone in person? Scan and connect without exchanging numbers.
Link
Share a direct invitation when you are communicating remotely.
Chat key
Join a chat using its key when that is the right way to connect.
Messaging
Real-time private messaging for conversations that keep moving.
Media
Share supported media, including encrypted media transfer.
Disappearing messages
Use disappearing messages when content should not remain indefinitely.
People
Keep useful connections available when you want to stay in touch.
Contacts
Organize the people you communicate with through Chat256.
App + web
Use Chat256 across supported app and web experiences.
SECURITY
Strong encryption.
Clear details.
Supported messages are encrypted on the device before transmission. Chat256 uses authenticated AES-256-GCM encryption and secure transport.
AES-256-GCMAuthenticated encryption for supported messages.
Device-side encryptionSupported messages are encrypted before transmission.
Ciphertext relayEncrypted data is relayed between supported clients.
HTTPS + WSSSecure transport for supported client connections.
FOR WORK & BUSINESS
Keep personal numbers personal.
Give customers, clients, teams and participants a direct way to communicate without making a personal phone number the default.
Customers & clients
Private enquiries and direct service conversations.
Sales & marketplaces
Talk to buyers and sellers without immediately sharing personal numbers.
Events
Put a QR code on a badge, screen, booth or table.
Teams
Useful for temporary jobs, handovers, visits and coordination.
Travel
Connect guests, hosts, drivers and service teams privately.
Professional introductions
Start communicating before deciding whether to exchange permanent details.
FAQ
Questions, answered.
Do I need a phone number?
No. Chat256 is designed for private chat without exchanging phone numbers.
Do I need an account?
No account is required for the core chat experience.
How do I start a chat?
Create a chat, then share it by QR code, link or chat key.
How do I join a chat?
Use the join option and enter the chat key when you have one, or use the invitation provided to you.
Can I use Chat256 on app and web?
Yes. Chat256 is available through supported app and web experiences.
Are messages encrypted?
Supported messages use AES-256-GCM encryption on the device before transmission. Supported client connections use HTTPS and WSS.
Can I send media?
Yes. Chat256 supports supported media sharing, including encrypted media transfer for supported content.
Can messages disappear?
Yes. Chat256 supports disappearing messages. Recipients can still copy or preserve content they can see.
Can I use Chat256 for business?
Yes. QR and private-chat sharing can be useful for customers, marketplaces, events, teams and professional communication.
CHAT256
Chat without giving out your number.
Start a private chat or join one with a chat key.