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KubeJS OfflineMinecraft mod for 1.21.1

KubeJS Documentation files, generated dynamically via command, accessed with an HTML page.

newest supported release 1.21.1UtilityLibraryManagement
Latest version
kubejsoffline-neoforge-5.2.3
Minecraft
1.18.2 to 1.21.1
Java
Java 21+
Loaders
NeoForge, Forge, Fabric
Licence
LicenseRef-All-Rights-Reserved
Downloads
142.5k
Updated
4 mo ago
Available on
Modrinth
Space NodeOur hosting

Host KubeJS Offline servers

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

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

Screenshots

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

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge, Forge, Fabric21+declared8 Aug 2024
1.21Fabric, NeoForge, Forge21+declared13 Jun 2024
1.20.1Forge, Fabric, NeoForge17+declared12 Jun 2023
1.19.2NeoForge, Forge, Fabric17+declared5 Aug 2022
1.18.2Fabric, NeoForge, Forge17+declared28 Feb 2022

Download

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

Browse 26 indexed releases

Most recently published release

kubejsoffline-neoforge-5.2.3release4 Jul 2026

kubejsoffline-neoforge-1.21-5.2.3.jar · 1.5 MB · for 1.21.1, 1.21 · NeoForge

Download this release
05da28102e94…
Older versions24
  • forge+5.2.0.277 Jan 20261.20.11.5 MB92a2ad07b697…Get
  • fabric+5.2.0.277 Jan 20261.20.11.5 MB675268e0dd8f…Get
  • neoforge+5.2.08 Dec 20251.21.1, 1.211.5 MB1a908ba8481c…Get
  • forge+5.2.0.268 Dec 20251.20.11.5 MBc348b46bd073…Get
  • fabric+5.2.0.268 Dec 20251.20.11.5 MB3592a9752541…Get
  • forge+5.0.7.216 Aug 20251.19.21.5 MB5aae0387c600…Get
  • fabric+5.0.7.216 Aug 20251.19.21.5 MB0ff00d6cea66…Get
  • neoforge+5.0.711 Aug 20251.21.1, 1.211.5 MBc8e7459eee1d…Get
  • forge+5.0.710 Aug 20251.20.11.5 MB68dc09d836e0…Get
  • fabric+5.0.710 Aug 20251.20.11.5 MB01a5626a671a…Get
  • forge+5.0.63 Aug 20251.20.11.5 MB2f467975eeb0…Get
  • fabric+5.0.63 Aug 20251.20.11.4 MB3330b162142b…Get
  • forge+5.0.517 Jun 20251.20.1, 1.19.21.5 MB3352e3b1552a…Get
  • fabric+5.0.517 Jun 20251.20.1, 1.19.21.5 MBdd750b7bf307…Get
  • neoforge+5.0.429 May 20251.21.1, 1.211.4 MBf5c8e96d29c6…Get
  • forge+5.0.429 May 20251.20.1, 1.19.21.4 MB8ef51a48339d…Get
  • fabric+5.0.429 May 20251.20.1, 1.19.21.4 MB1bd9fcab4aea…Get
  • neoforge+5.0.36 Apr 20251.21.1, 1.211.4 MBd0f26f89b0d0…Get
  • fabric+5.0.36 Apr 20251.19.2, 1.18.21.4 MBad9de8408ef6…Get
  • forge+5.0.36 Apr 20251.20.1, 1.19.2, 1.18.21.4 MB2de4c55312ce…Get
  • forge+5.0.230 Mar 20251.18.21.4 MBe0218592ee56…Get
  • fabric+5.0.230 Mar 20251.18.21.4 MB3d78269176f9…Get
  • neoforge+5.0.129 Mar 20251.21.1, 1.211.4 MBa9eeac1dd2a7…Get
  • forge+5.0.128 Mar 20251.20.11.4 MB0b03e1740a43…Get

Frequently asked

Does KubeJS Offline work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version KubeJS Offline 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 KubeJS Offline 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.

Which platform or loader does KubeJS Offline support?

NeoForge, Forge, 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 KubeJS Offline?

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 licence is KubeJS Offline under?

LicenseRef-All-Rights-Reserved, 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 KubeJS Offline?

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 KubeJS Offline 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.

GeckoLibA 3D animation library for entities, blocks, items, armor, and more!BookshelfAn open source library for other mods!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+)

Details from Modrinth, where the author last updated it on 4 Jul 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? .