CurseForge · Minecraft mod
Stackable Items
Modify the max stack size of any item you want, use commands to edit any itemstack size
Quick answer
Which Stackable Items release matches 1.21 Quilt?
Stackable Items Fabric 1.21.[0-1] - v1.2 targets 1.21, 1.21.1 with Fabric, Quilt. The project page does not say whether this file belongs on the client, dedicated server, or both. 1 required mod needs a matching file.
Where it goes
Is Stackable Items required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Stackable Items Fabric 1.21.[0-1] - v1.2 need?
Stackable Items Fabric 1.21.[0-1] - v1.2 on 1.21 Quilt. Every mod below is checked against that same setup.
Install Fabric API first, but 1 required mod has no matching file for this setup. Do not mix loader builds to force a match.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Stackable Items without breaking your instance.
Built for Stackable Items Fabric 1.21.[0-1] - v1.2 on 1.21 Quilt. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Stackable Items Fabric 1.21.[0-1] - v1.2. It targets 1.21, 1.21.1 with Fabric, Quilt; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Fabric API first, but 1 required mod has no matching file for this setup. Do not mix loader builds to force a match.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside Stackable Items Fabric 1.21.[0-1] - v1.2. It opens that exact file at the source.
About this project
What does Stackable Items add?


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📖 About
Note: the v1.1 it wipe your items if you add the mod in a created world, the v1.2 fixed that issue
Stackable Items can modify the stack max size of any item, you can use commands or your config file to modify the item size.
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⚙️ Configuration Options
Explore and tweak options in the config file to suit your needs:
- Config Common and Client Files
- Add Command
- Edit Command - List
- Edit Command - Group
- Edit Command - MaxDefault
- Client Command - CountType
- Client Command - ShowHeldItem
- Remove Command
- Help Command

⚙️ Default Config
Sign Group:
Boat Group:
Music Disc Group:
Shulker Box Group:
Bed Group:
Banner Group:
Banner Pattern Group:
Bucket Group:
Minecart Group:
Horse Armor Group:
Potion Group:
Config List (Individual Stackable):
Other Configs (The items can go over millions. Maximum 1 Billion):
❓ F.A.Q.s
Q: Is Stackable Items a client or server-side mod?
A: It’s a both-side mod, you have to installed in client and server.
Q: Can I include Stackable Items in my modpack?
A: Yes! Just credit the mod properly and include it in the related projects.
Q: It works stack max size with external item mods?
A: Yes! You can use the command to add any item, vanilla and external mods items will work, another example if you add a mod who adds musical discs or more enchantments the group type will increase the max stack size.
Q: How can I use the commands?
A: Only admins can use the commands, you can go to another world with cheats and use the commands, the config file will work globally.
Project description from CurseForge.
Pick your setup
Stackable Items by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.5
4 loader builds1.21.4
4 loader builds1.21.3
4 loader builds1.21.2
3 loader builds1.21.1
4 loader builds1.21
4 loader builds1.20.6
4 loader builds1.20.5
3 loader builds1.20.4
3 loader builds1.20.3
3 loader builds1.20.2
3 loader builds1.20.1
3 loader buildsShowing the newest 12 of 37 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
Stackable Items versions and loaders
Stackable Items Fabric 1.21.[0-1] - v1.2
StackableItems-fabric-1.21.[0-1]-v1.2.jar
23 May 2025
Stackable Items Fabric 1.21.[0-1] - v1.1
StackableItems-fabric-1.21.[0-1]-v1.1.jar
18 May 2025
Looking for an older file? The official CurseForge project page is in Resources.

