ModsJava
Barrel Extender
I don't know my version or loader
Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.
No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.
Barrel Extender
Barrel Extender is a tiny Fabric utility mod that doubles vanilla barrel storage from 27 slots to 54 slots.
It keeps the normal vanilla barrel block and opens barrels as a 6-row container, similar to a double chest.
Features
- Expands vanilla barrels from 3 rows to 6 rows
- Keeps existing barrel items safe in the original 27 slots
- No new blocks, recipes, commands, or custom UI
- Server-side friendly for multiplayer
- Works with existing vanilla barrels
Multiplayer
Install this mod on the server. Players do not need it client-side to use expanded barrels.
For singleplayer, install it in your client mods folder.
Important
Before uninstalling the mod, empty any items stored in the extra barrel slots. Vanilla Minecraft only supports 27 barrel slots.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.1, 1.21.2, 1.21.3
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as barrelextender-fabric-mc1.21x-1.0.0.jar — drop this file into the mods folder
- Download size: 4 KB
- Download link checked 8 Sept 2026 — working
These come from our own check of the pack file, not from the source page.