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Remap IDsMinecraft mod for 1.21.1

Redirect item, block, entity, fluid, tag, recipe, and loot table IDs to alternative IDs at runtime

newest supported release 1.21.1Utility QolServer UtilityBug Fixes
Latest version
RemapIDs 2.1.0 (NeoForge 1.21.1)
Minecraft
1.20.1 to 1.21.1
Java
Java 21+
Loaders
Fabric, Forge, NeoForge
Licence
not stated
Downloads
2.2k
Updated
2 mo ago
Available on
CurseForge

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Fabric, Forge, NeoForge21+declared8 Aug 2024
1.20.1Fabric, Forge, NeoForge17+declared12 Jun 2023

Download

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

Browse 44 indexed releases

For Minecraft 1.21.1

Choose the loader you use before downloading.

  • NeoForge

    RemapIDs 2.1.0 (NeoForge 1.21.1) · 13 Aug 2026 · remapids-neoforge-1.21.1-2.1.0.jar

    Get NeoForge

  • Fabric

    RemapIDs 2.1.0 (Fabric 1.21.1) · 13 Aug 2026 · remapids-fabric-1.21.1-2.1.0.jar

    Get Fabric

Most recently published release

RemapIDs 2.1.0 (NeoForge 1.21.1)release13 Aug 2026

remapids-neoforge-1.21.1-2.1.0.jar · 61 KB · for 1.21.1 · NeoForge

Download this release
aeed68b1997a…
Older versions24
  • RemapIDs 2.1.0 (Forge 1.20.1)13 Aug 20261.20.170 KB1ffe0925bb59…Get
  • RemapIDs 2.1.0 (Fabric 1.20.1)13 Aug 20261.20.164 KB3fb3d69bd619…Get
  • RemapIDs 2.1.0 (Fabric 1.21.1)13 Aug 20261.21.163 KB9072099a765c…Get
  • RemapIDs 2.0.1 (NeoForge 1.21.1)4 Aug 20261.21.155 KB9 downloads3d9013a562c0…Get
  • RemapIDs 2.0.1 (Forge 1.20.1)4 Aug 20261.20.164 KBe79fbca80c6c…Get
  • RemapIDs 2.0.1 (Fabric 1.20.1)4 Aug 20261.20.157 KB881c80b8eff3…Get
  • RemapIDs 2.0.1 (Fabric 1.21.1)4 Aug 20261.21.157 KB4e9db04a79ca…Get
  • RemapIDs 2.0.0 (Fabric 1.21.1)8 Jul 20261.21.157 KB7 downloads1c7b186ce739…Get
  • RemapIDs 2.0.0 (NeoForge 1.21.1)8 Jul 20261.21.155 KBc78eb21f6a77…Get
  • RemapIDs 2.0.0 (Forge 1.20.1)8 Jul 20261.20.164 KB6284f989afeb…Get
  • RemapIDs 2.0.0 (Fabric 1.20.1)8 Jul 20261.20.158 KBa9e29d4de0d3…Get
  • RemapIDs 1.3.2 (Fabric 1.21.1)5 Jul 20261.21.155 KB6 downloadsfce894894a74…Get
  • RemapIDs 1.3.2 (Forge 1.20.1)5 Jul 20261.20.161 KB78589b192014…Get
  • RemapIDs 1.3.2 (NeoForge 1.21.1)5 Jul 20261.21.154 KB492181e201a2…Get
  • RemapIDs 1.3.2 (Fabric 1.20.1)5 Jul 20261.20.156 KB413b7d7d79dd…Get
  • RemapIDs 1.3.1 (NeoForge 1.21.1)12 Jun 20261.21.154 KB8 downloadsa3d60e73e87c…Get
  • RemapIDs 1.3.1 (Forge 1.20.1)12 Jun 20261.20.161 KB59346a70f8d1…Get
  • RemapIDs 1.3.1 (Fabric 1.21.1)12 Jun 20261.21.155 KB4abe4991bf67…Get
  • RemapIDs 1.3.1 (Fabric 1.20.1)12 Jun 20261.20.156 KB4e1cf78af0b0…Get
  • RemapIDs 1.3.0 (Fabric 1.21.1)2 Apr 20261.21.155 KB15 downloadsee17988db8fe…Get
  • RemapIDs 1.3.0 (Forge 1.20.1)2 Apr 20261.20.161 KBa8278491d8f2…Get
  • RemapIDs 1.3.0 (NeoForge 1.21.1)2 Apr 20261.21.153 KBd4579c267a1e…Get
  • RemapIDs 1.3.0 (Fabric 1.20.1)2 Apr 20261.20.156 KB2f34963d717a…Get
  • RemapIDs 1.2.1 (Forge 1.20.1)2 Apr 20261.20.156 KB12 downloadsc817d42dacd2…Get

Frequently asked

Does Remap IDs work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Remap IDs 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 Remap IDs support?

Everything the author has declared, from 1.20.1 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 Remap IDs support?

Fabric, Forge, NeoForge. 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 Remap IDs?

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.

How do I install Remap IDs?

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 Remap IDs safely?

Start with the author's page on CurseForge, 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.

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Details from CurseForge, where the author last updated it on 13 Aug 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? .