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Big Items APIMinecraft mod

A really simple library that allows developers to make items take up more inventory slots.

client and server
Latest version
a1.2.3
Minecraft
no version declared
Java
follows the game
Loaders
none declared
Licence
MIT
Downloads
471
Updated
4 mo ago
Available on
Modrinth
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Host Big Items API servers

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

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Download

From Big Items API’s own host. Nothing is re-hosted here.

Most recently published release

a1.2.3alpha7 Jul 2026

big-items-a1.2.3.jar · 0.2 MB · for 1.21.1 · Fabric

Download this release
91a55f0a32bf…
Older versions5
  • a1.2.26 Jul 20261.21.10.2 MB2 downloads090bf5ae5ff4…Get
  • a1.2.1-Hotfix6 Jul 20261.21.10.2 MB2 downloadsd9ac4b24515b…Get
  • a1.26 Jul 20261.21.10.2 MB3 downloads299bc9a96b28…Get
  • a1.121 Jun 20261.21.10.2 MB580 downloadsde3803213b8a…Choose file on publisher ↗
  • a1.019 Jun 20261.21.10.2 MB9 downloads3349c9988c01…Choose file on publisher ↗

Frequently asked

Do I need to install Big Items API 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.

What licence is Big Items API 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 Big Items API?

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 Big Items API 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.

Which Minecraft versions does Big Items API work on?

The author has not declared a supported version in the metadata we sync, so there is nothing here we can state as fact. Check the project's own page before installing it, and treat an old mod with no declared version as untested on modern Minecraft.

Details from Modrinth, where the author last updated it on 7 Jul 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Not indexed yet. Score 47 against a threshold of 55. The page still exists and is still linked; it simply carries noindex until we hold more.

Is this information wrong or missing something? .