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JustHelperMinecraft mod for 26.3

That helps you in developing code on JustMC

client onlynewest supported release 26.3Utility
Latest version
12.10.26
Minecraft
1.19.4 to 26.3
Java
Java 25+
Loader
Fabric
Licence
MIT
Downloads
1.7k
Updated
7 d ago
Available on
Modrinth

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version JustHelper declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
26.3Fabric25+declared15 Sept 2026
1.21.11Fabric21+declared9 Dec 2025
1.21.10Fabric21+declared7 Oct 2025
1.21.9Fabric21+declared30 Sept 2025
1.21.3Fabric21+declared23 Oct 2024
1.21.2Fabric21+declared22 Oct 2024
1.21.1Fabric21+declared8 Aug 2024
1.21Fabric21+declared13 Jun 2024
1.20.6Fabric21+declared29 Apr 2024
1.20.5Fabric21+declared23 Apr 2024
1.20.4Fabric17+declared7 Dec 2023
1.20.3Fabric17+declared4 Dec 2023
1.20.2Fabric17+declared20 Sept 2023
1.20.1Fabric17+declared12 Jun 2023
1.20Fabric17+declared2 Jun 2023
1.19.4Fabric17+declared14 Mar 2023

Download

From JustHelper’s own host. Nothing is re-hosted here.

Browse 34 indexed releases

Most recently published release

12.10.26release12 Oct 2026

just-helper-12.10.26.jar · 1.2 MB · for 26.3 · Fabric

Download this release
31b334febd5e…
Older versions24
  • 11.10.2611 Oct 202626.31.2 MB397085995968…Get
  • 09.08.269 Aug 20261.21.11, 1.21.101.2 MB8a26f598cef2…Get
  • 30.07.2630 Jul 20261.21.111.2 MB14 downloads85a37115bdf0…Get
  • 03.07.262 Jul 20261.21.11, 1.21.101.2 MB50 downloads1375ce2c7419…Get
  • 01.07.261 Jul 20261.21.11, 1.21.101.2 MB9 downloads5e0d1b09af10…Get
  • 30.06.2630 Jun 20261.21.11, 1.21.101.2 MB4 downloadsf093b2986114…Get
  • 25.06.2625 Jun 20261.21.11, 1.21.101.2 MB18 downloads5b35a9818020…Get
  • 24.06.26-224 Jun 20261.21.11, 1.21.101.2 MB10 downloadscbc6c56b30b1…Get
  • 24.06.2624 Jun 20261.21.11, 1.21.101.2 MB5 downloads7a27a21778d9…Get
  • 22.04.2622 Apr 20261.21.11, 1.21.101.2 MB80 downloads0387cad5fa16…Get
  • 08.04.268 Apr 20261.21.11, 1.21.101.2 MB29 downloadsedc5ab176f52…Get
  • 22.03.26_222 Mar 20261.21.11, 1.21.10, 1.21.91.2 MB52 downloadsa3cc761ac8e3…Get
  • 24.02.2624 Feb 20261.21.111.1 MB37 downloads830fe5fa0f46…Get
  • 28.01.2528 Jan 20251.21.2, 1.21.1, 1.215.3 MB161 downloadse88787d46669…Get
  • 28.01.25-light28 Jan 20251.21.2, 1.21.1, 1.211.0 MB33 downloads450e3a6b1483…Get
  • 14.01.2514 Jan 20251.21.1, 1.215.3 MB64 downloadscdf30f77cabd…Get
  • 14.01.25-light14 Jan 20251.21.1, 1.211.0 MB34 downloadsabaeb553b5af…Get
  • 10.01.25-light10 Jan 20251.21.1, 1.211.0 MB31 downloadscc336af95e71…Get
  • 10.01.2510 Jan 20251.21.1, 1.215.3 MB41 downloads3833ab3f88e3…Get
  • 09.11.249 Nov 20241.21.1, 1.215.3 MB50 downloads4abbd056518c…Get
  • 09.11.24-light9 Nov 20241.21.3, 1.21.2, 1.21.1, 1.210.9 MB84 downloads9904ff7790ef…Get
  • 27.10.2427 Oct 20241.21.3, 1.21.2, 1.21.1, 1.215.3 MB45 downloads66d15704b9f3…Get
  • 27.10.24-light27 Oct 20241.21.3, 1.21.2, 1.21.1, 1.210.9 MB36 downloads45ef2757677b…Get
  • 29.9.24-light29 Sept 20241.21.1, 1.210.9 MB37 downloads3e5c9e8c80bc…Get

Frequently asked

Does JustHelper work on Minecraft 26.3?

Yes. 26.3 is the newest Minecraft version JustHelper declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does JustHelper support?

Everything the author has declared, from 1.19.4 up to 26.3. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install JustHelper on the client or the server?

The client only. There is nothing to install on the server side. That is the author's declared design, not a guarantee for every server: one running anti-cheat or missing a counterpart mod can still object.

Which platform or loader does JustHelper support?

Fabric. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for JustHelper?

Among the supported Minecraft releases above, the highest recorded requirement is Java 25 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What licence is JustHelper under?

MIT, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install JustHelper?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download JustHelper safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

Cloth Config API (Fabric/Forge/NeoForge)Config Screen API for MinecraftJourneyMapReal-time map used for mapping in-game or your browser as you explore.Architectury APIAn intermediary api aimed to ease developing multiplatform mods.Jade 🔍Shows information about what you are looking at. (Hwyla/WAILA fork for Minecraft 1.16+)Collective🎓 Collective is a shared library with common code for all of Serilum's mods.Xaero's MinimapDisplays the nearby world terrain, players, mobs, entities in the corner of your screen. Lets you create waypoints which help you find the locations you've marked.

Details from Modrinth, where the author last updated it on 12 Oct 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .