ModsJava
Chat Optimizer
Chat Optimizer is a client-side Minecraft chat mod boosting efficiency. Free Minecraft Java mod for 1.21.1.
⬇ Download on ModrinthChat Optimizer ✨
A lightweight client-side mod designed to improve the Minecraft chat experience for greater comfort and convenience~
This mod is entirely written by AI. (◍•ᴗ•◍)
💖 Features
- Timestamps – Adds
[HH:mm:ss]to every incoming message (local only, toggleable) 🕒 - Chat History – Auto-saves up to 1000 messages per server, reloads when you rejoin 📜
- Local Search –
/chatoptimizer search <keyword>– filter by player or message content 🔍 - Unlimited Input – Removes the 256-char limit, supports up to 65536 chars (configurable) 💬
- Right-Click Copy – Right-click any message to copy its full text 📋
- Auto Commands – Run commands like
/loginautomatically after joining a server 🤖 - Format Preservation – Keeps colors, click events, and JSON formatting in history 🎨
- Visual Settings UI – A pretty GUI to tweak everything 🖥️
📥 Commands
All commands start with /chatoptimizer:
| Command | What it does |
|---|---|
help |
Shows help |
toggle |
Turns all features on/off at once |
status |
Checks each feature's state |
timestamp on/off |
Enables/disables timestamps |
history |
Shows history status |
history clear |
Clears history for current server |
history recordmode all/chat_only |
Sets record mode (all messages / chat only) |
search [keyword] |
Opens search GUI |
autocommand |
Opens auto-command menu |
autocommand list |
Lists all saved auto commands |
autocommand add <command> |
Adds a new auto command (must start with /) |
autocommand remove <command> |
Removes an auto command |
Example 🌟/chatoptimizer autocommand add /login 123456
📝 Little Notes
- Client-side only – no need to install on server 🎮
- Chat history is saved per server IP in
config/chat_optimizer_mod_1781247740/history/– please back up if you need it 💾 - Auto-command encryption is on by default (hardware‑bound) 🔒
- Action bar messages (the ones in the lower middle of screen) are not logged 🚫
- Only the most recent 1000 messages are kept per server (oldest get auto‑deleted) 🗑️
Verified by MCModsHub
- Ships as chat_optimizer_mod-1.5.0.jar — drop this file into the mods folder
- Download size: 46 KB
- Download link checked 23 Aug 2026 — working
These come from our own check of the pack file, not from the source page.