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WhenChat project artwork

Modrinth · Minecraft mod

WhenChat

Prepends a [HH:mm:ss] timestamp to every received chat message — never lose track of when something was sent.

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which WhenChat release should I use?

Updated 5 months ago
Latest stable file 1.0.4+forge-mc1.21.5
Game version 1.21.5
Loader Forge

WhenChat 1.0.4+forge-mc1.21.5 targets 1.21.5 with Forge. It must be installed on the client. Do not install it on the dedicated server. No extra mods listed for this file.

Where it goes

Is WhenChat required on the client, server, or both?

It must be installed on the client. Do not install it on the dedicated server.

Client Required
Dedicated server Not supported
Loader for this release Forge
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

This file is marked client-only.

Understand client and server requirements Read the Minecraft installation guide

What else does WhenChat 1.0.4+forge-mc1.21.5 need?

1.0.4+forge-mc1.21.5. Change the file and its required mods may change too.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

This file does not list any required or optional mods.

Before you install it

Add WhenChat without breaking your instance.

Built for WhenChat 1.0.4+forge-mc1.21.5. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use 1.0.4+forge-mc1.21.5. It targets 1.21.5 with Forge; another release may have different loader, side or dependency requirements.

  2. 02

    Bring the mods it needs

    This file does not list any required mods. Do not add a library just because a different file uses it.

  3. 03

    Put it on the correct side

    It must be installed on the client. Do not install it on the dedicated server.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside 1.0.4+forge-mc1.21.5. It opens that exact file at the source.

About this project

What does WhenChat add?

WhenChat

WhenChat is a lightweight, client-side mod that automatically prepends a [HH:mm:ss] timestamp in front of every chat message you receive in Minecraft. Available for Fabric, NeoForge, and Forge.

Ever wondered exactly when that message in chat was sent? Whether you're on a busy multiplayer server, taking screenshots for proof, or just want a quiet reference for the time of day without opening the F3 debug menu — WhenChat has you covered.

Features

  • Automatic timestamps — every incoming chat message is tagged with the current time in [HH:mm:ss] format
  • Zero configuration — install, launch, done
  • Client-side only — works on any server, vanilla or modded, no server-side install needed
  • Multi-loader — Fabric, NeoForge, and Forge JARs available for every supported MC version
  • Lightweight — a single mixin, no performance impact
  • Subtle styling — timestamps are rendered in gray so they don't distract from the actual message

Example

Before:

<Steve> hey, are you online?
<Alex> sup

After:

[18:42:07] <Steve> hey, are you online?
[18:43:21] <Alex> sup

Supported Versions

Loader Minecraft versions
Fabric 1.19, 1.19.1 – 1.19.4, 1.20 – 1.20.6, 1.21 – 1.21.11 (24 versions)
NeoForge 1.20.6, 1.21, 1.21.1, 1.21.3, 1.21.4, 1.21.5, 1.21.8
Forge 1.20.6, 1.21, 1.21.1, 1.21.3, 1.21.4, 1.21.5

More MC versions and loaders coming soon!

Requirements

  • Java 17 or newer (Java 21 for MC 1.20.5+ and 1.21.x)
  • Fabric Loader 0.14.0+ for Fabric builds
  • NeoForge 20.6+ for NeoForge builds
  • Forge 50.0+ for Forge builds

Dependencies

  • Fabric builds require Fabric API
  • NeoForge and Forge builds have no external dependencies

Compatibility

WhenChat only modifies how incoming chat messages are displayed on your client. It does not send or intercept any data to or from the server, and is compatible with any server type (vanilla, Paper, Fabric, NeoForge, Forge, modded, etc.). No server-side install required.

Source & Issues

Open source under the MIT license. Source code, issue tracker, and contributions welcome:
👉 github.com/ErikEdits/WhenChat

If you enjoy the mod, consider leaving a thumbs up on Modrinth — it really helps!

Project description from Modrinth.

Pick your setup

WhenChat by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

37 available setups

Showing the newest 12 of 24 game versions. Older files are in the list below.

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files

WhenChat versions and loaders

37 of 37 releases match

Looking for an older file? The official Modrinth project page is in Resources.

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