
ModsJava
AdvancedChatOptimizer
I don't know my version or loader
Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.
No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.

此插件用于改善玩家的聊天体验,当玩家处在主世界时,玩家发言的信息前缀会多一个[主世界],并且消息变为绿色,地狱、末地也同上。 This plug-in is used to improve the player's chat experience. When the player is in the overworld, the player's chat message will be prefixed with one more [overworld], and the message will turn green, and the same goes for nether and end.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.20, 1.20.1, 1.20.2
- 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 AdvancedChatOptimizer-1.0-SNAPSHOT.jar — drop this file into the mods folder
- Download size: 4 KB
- Download link checked 10 Sept 2026 — working
These come from our own check of the pack file, not from the source page.