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ChatContentModifier

Allows servers to modify chat content via Minecraft's Chat Preview feature
by Redstone_Dubstep
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1,553 downloads
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Updated Jun 30, 2026
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This mod allows servers to modify the content of the chat sent by players by using Minecraft's Chat Preview feature, which was introduced in 1.19. Currently, this mod supports fully customizable chat content replacement, which also supports regular expressions. Chat content replacement is useful for a variety of features:

- Replace special words with unicode characters, like `:smiley:` by ☺
- Automatically replace commonly misspelled words with their correct variant, like `theyre` by `they're`
- Replace certain symbols with a § symbol (which, normally, cannot be typed or sent into the chat by players) to allow players to make use of color codes when chatting, like `$$` by `§`

More information can be found in the mod's configuration file, which is located in the `world/serverconfig` folder.

This is a Forge mod, a Fabric port may happen in the future (if there is demand).
This mod is serverside only (meaning that it only needs to be installed on the server to work).

ChatContentModifier-1.21.8-1.0.2.jar
MC 1.21.8, NeoForge, Server, 1.21.10, 1.21.11, 26.1.2, 26.2
Release 2025-07-24 Get
ChatContentModifier-1.21.3-1.0.2.jar
MC 1.21.5, 1.21.4, NeoForge, 1.21.3, Server
Release 2024-11-16 Get
ChatContentModifier-1.21-1.0.2.jar
MC 1.21, NeoForge, Server
Release 2024-07-22 Get
ChatContentModifier-1.20.6-1.0.2.jar
MC NeoForge, 1.20.6, Server
Release 2024-05-28 Get
ChatContentModifier-1.20.4-1.0.2.jar
MC NeoForge, 1.20.4, Server
Release 2024-03-23 Get

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