CurseForge · Minecraft mod
Stack 99
This mod increases the maximum stack size for all items from 64 to 99, allowing for cleaner inventories and more efficient storage management.
Quick answer
Which Stack 99 release should I use?
Stack 99 stackisb-1.0.0.jar targets 1.21.1 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is Stack 99 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 Stack 99 stackisb-1.0.0.jar need?
stackisb-1.0.0.jar. 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 Stack 99 without breaking your instance.
Built for Stack 99 stackisb-1.0.0.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use stackisb-1.0.0.jar. It targets 1.21.1 with 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
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 stackisb-1.0.0.jar. It opens that exact file at the source.
About this project
What does Stack 99 add?
The 99 Limit Why stop at 64 when you can reach 99? Take your inventory management to the next level by increasing the maximum stack size for every item in the game. Perfect for builders and hoarders alike!
Project description from CurseForge.
Pick your setup
Stack 99 by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Stack 99 versions and loaders
stackisb-1.0.0.jar
5 May 2026
Looking for an older file? The official CurseForge project page is in Resources.