Recommend for anarchy servers.
MarkEncryption is a client-only Fabric mod that encodes chat messages starting with a configurable prefix and sends them as dec strings. Other clients using the same prefix and key can decode and read them.
Press K to open the settings menu (the keybind can be changed).
The first field is for setting the key.
The second field is for setting the prefix.
Donation information can be found on the project's GitHub page.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.8
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as 1.21.8-markencryption-1.0.1.jar — drop this file into the mods folder
- Download size: 22 KB
- Download link checked 8 Sept 2026 — working
These come from our own check of the pack file, not from the source page.