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AlchemyLibMinecraft mod for 1.21.5

AlchemyLib contains shared code for machines and screens. It's used by Alchemistry and other mods.

newest supported 1.21.5Library Api
Latest version
AlchemyLib 1.21.5-1.1.9
Loaders
Forge, NeoForge
Licence
not stated
Downloads
23.5M
Updated
3 mo ago
Available on
CurseForge

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.5Forge, NeoForge21+declared25 Mar 2025
1.21.4NeoForge, Forge21+declared3 Dec 2024
1.21.3NeoForge, Forge21+declared23 Oct 2024
1.21.1NeoForge, Forge21+declared8 Aug 2024
1.20.6NeoForge, Forge21+declared29 Apr 2024
1.20.4NeoForge, Forge17+declared7 Dec 2023
1.20.2NeoForge, Forge17+declared20 Sept 2023
1.20.1NeoForge, Forge17+declared12 Jun 2023
1.20Forge, NeoForge17+declared2 Jun 2023
1.19.4NeoForge, Forge17+declared14 Mar 2023
1.19.3Forge, NeoForge17+declared7 Dec 2022
1.19.2NeoForge, Forge17+declared5 Aug 2022
1.18.2Forge, NeoForge17+declared28 Feb 2022
1.18Forge, NeoForge17+declared30 Nov 2021
1.16.5Forge, NeoForge8+declared14 Jan 2021
1.16.4NeoForge, Forge8+declared29 Oct 2020
1.16.3NeoForge, Forge8+declared10 Sept 2020
1.16.2Forge, NeoForge8+declared11 Aug 2020
1.15.2NeoForge, Forge8+declared17 Jan 2020
1.15.1NeoForge, Forge8+declared16 Dec 2019
1.14.4NeoForge, Forge8+declared19 Jul 2019
1.12.2NeoForge, Forge8+declared18 Sept 2017

Download

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

All 39 releases
AlchemyLib 1.21.5-1.1.9release13 Jun 2026

alchemylib-1.21.5-1.1.9.jar · 0.1 MB · for 1.21.5

Download latest
04476ad6504f
Older versions24
  • AlchemyLib 1.21.4-1.1.812 Jun 20261.21.40.1 MB13 downloadsbb4d18fa514fGet
  • AlchemyLib 1.21.3-1.1.712 Jun 20261.21.30.1 MB6 downloads32370dfbaf62Get
  • AlchemyLib 1.21.1-1.1.612 Jun 20261.21.10.1 MB4 downloadsadebf15c144eGet
  • AlchemyLib 1.21.1-1.1.59 Jun 20261.21.10.1 MB5c8c4cc95072Get
  • AlchemyLib 1.20.6-1.1.49 Jun 20261.20.60.1 MBa184fe9b90e3Get
  • AlchemyLib 1.20.4-1.1.38 Jun 20261.20.40.1 MB6fef31001d7cGet
  • AlchemyLib 1.20.2-1.1.28 Jun 20261.20.20.1 MBf05b5c17f732Get
  • AlchemyLib - 1.20.1-1.0.3016 Jan 20241.20.10.1 MB4.8M downloads7942a72f2df9Get
  • AlchemyLib - 1.18.2-1.0.2220 Jul 20231.18.20.1 MB254.4k downloadscbb54b17f325Get
  • AlchemyLib - 1.20.1-1.0.2919 Jul 20231.20.10.1 MB2.1M downloads97e638640081Get
  • AlchemyLib - 1.20.1-1.0.2410 Jul 20231.20.10.1 MB67.7k downloads63caf0f3f904Get
  • AlchemyLib - 1.20-1.0.2410 Jul 20231.200.1 MB9.0k downloads45a28c0bfdc9Get
  • AlchemyLib - 1.19.4-1.0.227 Jul 20231.19.40.1 MB5.6k downloadsc78caf6c453aGet
  • AlchemyLib - 1.19.3-1.0.225 Jul 20231.19.30.1 MB1.4k downloadsd4dbd8bd0adbGet
  • AlchemyLib - 1.19.2-1.0.218 May 20231.19.20.1 MB2.4M downloads2ffc67b87438Get
  • AlchemyLib - 1.19.2-1.0.2025 Feb 20231.19.20.1 MB749.2k downloads43ba5539928bGet
  • AlchemyLib - 1.18.2-1.0.2021 Dec 20221.18.20.1 MB929.9k downloads94063a8cb53fGet
  • AlchemyLib - 1.19.2-1.0.193 Dec 20221.19.20.1 MB948.5k downloads563105fb8af3Get
  • AlchemyLib - 1.19.2-1.0.183 Nov 20221.19.20.1 MB237.6k downloadsbaed5ff61e3cGet
  • AlchemyLib - 1.19.2-1.0.1631 Oct 20221.18.2, 1.19.20.1 MB876 downloads7e2e3ec31a0cGet
  • AlchemyLib - 1.19.2-1.0.1531 Oct 20221.18.2, 1.19.20.1 MB183 downloads17b99d912973Get
  • AlchemyLib - 1.18.2-1.0.1531 Oct 20221.18.20.1 MB1.3k downloadsc16513beed96Get
  • alib-1.18.2-2.jar21 Mar 20221.18, 1.18.20.0 MB135.8k downloads3b2e848cc8fdGet
  • alib-1.18.2-1.jar16 Mar 20221.18, 1.18.20.0 MB434 downloadsae9840cbbe94Get

Frequently asked

Does AlchemyLib work on Minecraft 1.21.5?

Yes. 1.21.5 is the newest Minecraft version AlchemyLib 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 AlchemyLib support?

Everything the author has declared, from 1.12.2 up to 1.21.5. The full list is in the table above, with the Java runtime each version needs next to it.

Which loader does AlchemyLib need?

Forge, NeoForge. 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 AlchemyLib?

On the newest Minecraft release it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

How do I install AlchemyLib?

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 AlchemyLib safely?

From the author's own page on CurseForge, 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.

Last checked 1 mo ago against CurseForge. 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? .