Encrypted IM where chat records stay on your own server

Messages travel and rest as ciphertext end to end; plaintext only ever appears on the two screens in the conversation.

Session watermarks and audit trails keep everything traceable, and private deployment keeps enterprise data in your own hands.

This restaurant is delicious17:38 PM

Go out and play20:38 PM

😋😋😋😋06:38 am

Are you free this weekend?15:35 PM

Helloedited 20:38 PM

There's a new movie out20:38 PM

Security capabilities

Data stays in-house

Servers run in your intranet or private cloud — chats and files never leave the company

Ciphertext on every link

Layered encryption in transit and at rest, with burn-after-reading, anti-screenshot and two-way deletion

Encrypted sessions cross devices

Big groups, still protected

Super groups of 100,000, with group messages encrypted over TLS

Every message encrypted

Text, voice, video, pictures, files, location, stickers, contact cards and calls — all encrypted

Anonymous-level identity protection

Phone numbers and user IDs can be fully hidden, guarded by an app lock

A private file vault

Strongly encrypted cloud disk with no capacity or time limit

Open source as proof

Source code is free to read — every privacy claim is verifiable

Get the app

Note: the desktop app signs in via phone authorization — install Ant on your phone first

Other Version

Ant MessengerSecure, private, free and fast end-to-end encrypted chat

Get the appAndroidiPhone/iPadMacMac (M1)Windows

Ant Messenger

Secure, private, free and fast end-to-end encrypted chatContact us：Postmaster@mail.antmessenger.rest