
Modrinth · Minecraft mod
Upgradable Backpack
Dyeable, renamable, wearable, and upgradeable backpacks (9-slots, 18-slots, 26-slots)
Quick answer
Which Upgradable Backpack release should I use?
Upgradable Backpack 11.3+mod targets 1.21.9, 1.21.10 with Fabric, Forge, NeoForge. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is Upgradable Backpack required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Upgradable Backpack 11.3+mod need?
11.3+mod. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Upgradable Backpack without breaking your instance.
Built for Upgradable Backpack 11.3+mod. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 11.3+mod. It targets 1.21.9, 1.21.10 with Fabric, Forge, NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 11.3+mod. It opens that exact file at the source.
About this project
What does Upgradable Backpack add?
I made the backpack, which is
- Dyeable through the crafting table.
- Easily renamable using an anvil.
- Wearable in your chest slot.
- Upgradable to get more slots (9 -> 18 -> 26 slots)
Demo Video
How to Use Backpacks
- To store or retrieve items, simply drop the backpack on the ground. It will transform into a barrel, allowing you to manage your items. Click the "Exit" button slot to revert it to a backpack item.
Crafting Recipes
Craft a Small Backpack:
(4 wools, 4 leathers, and a barrel)
Craft a Backpack Upgrader:

Upgrading to a 26-Slot Backpack:
Place the upgrader into your backpack block.
Project description from Modrinth.
Pick your setup
Upgradable Backpack by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.9
5 loader builds1.21.8
5 loader builds1.21.7
5 loader builds1.21.6
5 loader builds1.21.5
5 loader builds1.21.4
5 loader builds1.20.2
4 loader builds1.20.1
4 loader builds1.20
4 loader builds1.19.4
4 loader builds1.19.3
4 loader buildsShowing the newest 12 of 20 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Upgradable Backpack versions and loaders
11.3+mod
upgradable-backpack-11.3.jar
17 Nov 2025
11.3
Upgradable Backpack v11.3.zip
17 Nov 2025
11.1+mod
upgradable-backpack-11.1.jar
2 Nov 2025
11.1
Upgradable Backpack v11.1.zip
2 Nov 2025
11+mod
upgradable-backpack-11.jar
1 Nov 2025
11
Upgradable Backpack v11.zip
1 Nov 2025
v10+mod
upgradable-backpack-v10.jar
22 Sept 2023
v10
upgradable_backpack-v10.zip
22 Sept 2023
v9.1+mod
upgradable-backpack-v9.1.jar
9 Aug 2023
v9.1
upgradable_backpack.zip
8 Aug 2023
v9+mod
upgradable-backpack-v9.jar
29 Jul 2023
v9
upgradable_backpack-datapack-v9.zip
28 Jul 2023
Looking for an older file? The official Modrinth project page is in Resources.