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Chatcryption

E2EE for your Minecraft whispers.

Fabric
Loaders
Fabric
Downloads on Modrinth
66
Followers on Modrinth
0
version
1
Updated
March 17, 2026Mar 17
Published
in 2026
Chat from one end — Chat as viewed from only one user · swipe

At a glance

Runs on Fabric
For Minecraft 1.21.11
Client only — no need to install it on the server
Latest version — 1.0 from March 17, 2026
Requires Fabric API
License GPL-3.0-only — free
Where it's needed
In gamerequiredOn servernot needed

Install in the game only; not needed on the server

Game versions1.21.11

E2EE for your Minecraft whispers.

By default, will only work on the Essentials(X) message system. (e.g.[sender -> me]: message)

Configuration

The configuration file is [minecraft directory]/config/chatcryption-config.json

Fields

  • message-commands: the list of commands that are for messaging. Defaults to Essentials(X)/Vanilla ones.
  • reply-commands: the list of commands that are for replying. Defaults to Essentials(X)/Vanilla ones.
  • split-message-send-interval-ms: (default: 400) the milliseconds to wait between sending each part of an encrypted message
  • request-public-key-comment: what to include in the initial message, to explain it if the recipient doesn't have Chatcryption installed.
  • message-command: (default msg) the command to use to send messages
  • enabled (default true): whether the mod will be enabled. Can be changed in-game with /chatcryption [on|off]

Responsibility

It is your responsibility to use this appropriately. It is not my fault if you get in trouble for inconveniencing or annoying moderators. I am not liable for any punishments you may receive.

Security

Please don't expect this to be actually super secure. It's probably good enough in most cases.

FAQ

How to install Chatcryption?

Install Fabric for your Minecraft version, download Chatcryption for the same version and loader, put the file into the mods folder and launch the game with the loader profile.

Which Minecraft versions does Chatcryption support?

Chatcryption has builds for Minecraft 1.21.11.

Is Chatcryption needed on the server?

Client only — no need to install it on the server

License and source
GNU General Public License v3.0 onlyfree to use and share; changes to the mod itself must be published under the same license
Original — Modrinth↗Files unchanged, verified with SHA-512Is this your mod? For rights holders

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