Multi Chat Windows

Multi Chat Windows

Allows to add customizable Chat Tabs in Mc

by
155 Downloads
fabricgame-mechanicssocialutility
Rent Server with this Mod

Screenshots

Config Screen
Position editor
Example Hud

About this Mod

Custom Chat tabs

Custom Chat tabs allows you to add customizable chat tabs/windows to Minecraft.

Use cases

  • Filter messages from specific players, for example friends, into a separate chat window on large servers
  • Split chat into multiple tabs based on words, players, or custom rules
  • Add timestamps, notifications, and message stacking to improve chat readability

Features

Custom Chat Tabs

Create multiple chat tabs/windows that:

  • can be configured individually for each server
  • use dependencies/rules to decide when a message should appear in a specific tab
  • can be customized visually, including opacity, outline, position, size, and text scale
  • keep a session chat cache, allowing you to switch servers without instantly losing previous chat messages

Chat Filtering

  • Filter chat based on words or player names
  • Enable or disable individual or all filters

Timestamps

  • Add timestamps to chat messages
  • Customize timestamp format and color

Notifications

  • Set up notifications for specific messages
  • having custom sounds for each notification

Copy Menu

  • Copy Messages to clipboard

Chat Stacking

  • Stack repeated messages into a single line to msg (*2), 3 etc

Save the Chat after leaving a server or optionally after leaving minecraft

Configuration

  • Config Menu using cloth config, with the ability to set a background image

Languages

Currently supported languages:

  • en_us
  • de_de

Compatibility

This mod will probably not work together with some other chat-based mods

If you find an incompatibility, bug, or unexpected behavior, please report it on GitHub

Development

This mod is AI-Coded, which takes its time so:
Bug reports, feedback, and forks are welcome on GitHub

Planned features can be found in features.md

Inspired by

  • LabyMod
  • TabbyChat
  • Chat Patches

Available Versions

Multi Chat Windows 1.5.3release
MC 1.21.10, 1.21.11fabric
June 26, 2026
Multi Chat Windows 1.5.2release
MC 1.21.10, 1.21.11fabric
June 18, 2026
Custom Chat tabs 1.5.1release
MC 1.21.10, 1.21.11fabric
June 12, 2026
Custom Chat tabs 1.5.0release
MC 1.21.10, 1.21.11fabric
June 8, 2026
Custom Chat tabs 1.4.6release
MC 1.21.10, 1.21.11fabric
June 7, 2026

How to Install Multi Chat Windows on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).

3

Install Mod

Open the mod browser in the dashboard and search for "Multi Chat Windows". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11, 1.21.10

Server-side

Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Multi Chat Windows server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.

Is Multi Chat Windows compatible with fabric?

Multi Chat Windows officially supports fabric for Minecraft 1.21.11, 1.21.10. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Multi Chat Windows – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Multi Chat Windows consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.

Rent Modded Server

Install Multi Chat Windows with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
Create Server Now
1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
MIT License
Server-side
Unsupported

Supported Versions

1.21.111.21.10