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LibZMinecraft mod for 1.21.1

Open source library for a couple of Globox_Z mods

client and servernewest supported release 1.21.1Library
Latest version
1.2.0+1.21.1
Loader
Fabric
Licence
MIT
Downloads
4.2M
Updated
24 d ago
Available on
Modrinth
Space NodeOur hosting

Host LibZ servers

One click and LibZ is installed with the right loader, on hardware built for it.

  • 1.21.1
  • Fabric
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Fabric21+declared8 Aug 2024
1.21Fabric21+declared13 Jun 2024
1.20.1Fabric17+declared12 Jun 2023
1.20Fabric17+declared2 Jun 2023
1.19.2Fabric17+declared5 Aug 2022

Download

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

Most recently published release

1.2.0+1.21.1release8 Oct 2026

libz-1.2.0.jar · 0.1 MB · for 1.21.1 · Fabric

Download this release
54080ad58e35…
Older versions9
  • 1.1.0+1.21.11 Mar 20261.21.10.1 MB63.5k downloads43be7ad20b4e…Get
  • 1.0.3+1.21.111 Sept 20241.21.12.0 MB213.0k downloads10609d5bc3c6…Get
  • 1.0.3+1.2123 Jun 20241.21.1, 1.212.0 MB5.6k downloadsb88509032cb9…Get
  • 1.0.3+1.20.116 Nov 20231.20.12.1 MB3.0M downloads7b352fcc2a1e…Get
  • 1.0.2+1.20.121 Aug 20231.20.12.0 MB56.1k downloads93d3c1633919…Get
  • 1.0.1+1.20.124 Jul 20231.20.133 KB7.9k downloads5c9f327ee01d…Get
  • 1.0.1+1.209 Jun 20231.2022 KB19.8k downloadsee2e87059f5e…Get
  • 1.0.0+1.208 Jun 20231.2022 KB398 downloads735fbe3ac770…Get
  • 1.0.019 Apr 20231.19.224 KB352.1k downloads15cbedc50bd7…Get

Dependencies

What LibZdeclares it needs, from the author’s own release metadata. A required one has to be installed alongside it or it will not load.

Frequently asked

Does LibZ work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version LibZ 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 LibZ support?

Everything the author has declared, from 1.19.2 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

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

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which platform or loader does LibZ 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 LibZ?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What does LibZ need to run?

It declares Fabric API and Cloth Config API as required, so those have to be installed alongside it or it will not load. Each one is linked in the dependencies section above.

What licence is LibZ 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 LibZ?

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 LibZ 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.

Used by

7 projects list LibZ as a required dependency. The most installed ones are shown.

Details from Modrinth, where the author last updated it on 8 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? .