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Netherite ExtensionMinecraft mod for 1.21.1

High version fabric/forge port of netherite plus

client and servernewest supported 1.21.1EquipmentDecoration
Latest version
3.1
Minecraft
1.18.2 to 1.21.1
Java
Java 21+
Loaders
Fabric, NeoForge, Forge
Licence
MIT
Downloads
22.4k
Updated
11 mo ago
Available on
Modrinth
Space NodePartner

Host Netherite Extension servers

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

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

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Fabric, NeoForge, Forge21+declared8 Aug 2024
1.21Fabric, NeoForge, Forge21+declared13 Jun 2024
1.20.6NeoForge, Forge, Fabric21+declared29 Apr 2024
1.20.4Fabric, NeoForge, Forge17+declared7 Dec 2023
1.20.1Forge, Fabric, NeoForge17+declared12 Jun 2023
1.20NeoForge, Forge, Fabric17+declared2 Jun 2023
1.19.4Fabric, NeoForge, Forge17+declared14 Mar 2023
1.19.2Forge, NeoForge, Fabric17+declared5 Aug 2022
1.18.2Forge, NeoForge, Fabric17+declared28 Feb 2022

Download

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

3.1release31 Aug 2025

netherite_ext-3.1-1.21.1-neoforge.jar · 0.8 MB · for 1.21.1

Download latest
3991210b22c9…
Older versions14
  • 3.1.130 Aug 20251.19.40.9 MB623 downloads673f7fe14a6b…Get
  • 3.028 Aug 20251.20.10.4 MB36 downloads470b4b45f50a…Get
  • 3.0-beta10 Aug 20251.20.10.4 MB66 downloadsde17a6c6f62b…Get
  • 2.130 May 20251.20.10.5 MB2.2k downloads7eaa102d8d9f…Get
  • 2.0.116 May 20251.20.10.5 MB84 downloadsa5500724c663…Get
  • 2.08 May 20251.20.10.5 MB45 downloads691b2e3507bc…Get
  • 1.417 Apr 20251.20.10.5 MB287 downloadsb2a7035b3832…Get
  • 1.3.34 Feb 20251.21, 1.21.10.5 MB32 downloadsb874bc854db6…Get
  • 1.3.211 Nov 20241.21, 1.21.10.4 MB874 downloads9ea6b470f638…Get
  • 1.3.126 Oct 20241.20.10.5 MB95 downloads2b0ea97e537f…Get
  • 1.326 Oct 20241.20.10.5 MB42 downloadsc2750ac004fa…Get
  • 1.218 Aug 20241.19.40.3 MB614 downloadsd209ee69b163…Get
  • 1.110 Jul 20241.20, 1.20.10.3 MB9.6k downloads3962fbd725ee…Get
  • 1.023 Jun 20241.20, 1.20.10.3 MB92 downloads997f375e3721…Get

Frequently asked

Does Netherite Extension work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Netherite Extension 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 Netherite Extension support?

Everything the author has declared, from 1.18.2 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 Netherite Extension 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 loader does Netherite Extension need?

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

Which Java version do I need for Netherite Extension?

Java 21 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the mod itself.

What licence is Netherite Extension 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 Netherite Extension?

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 Netherite Extension safely?

From the author's own page on Modrinth, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Works on the same versions

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

Entity CullingUsing async path-tracing to hide Block-/Entities that are not visibleFerriteCoreMemory usage optimizationsImmediatelyFastSpeed up immediate mode rendering in MinecraftYetAnotherConfigLib (YACL)A builder-based configuration library for Minecraft!Xaero's MinimapDisplays a map of 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.[ETF] Entity Texture FeaturesEmissive, Random & Custom texture support for entities in resourcepacks just like Optifine but for Fabric

Last checked 6 d ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .