ModsJava
ItemStackProMax
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
ItemStackProMax v1.0.5
A utility mod that allows stack size modification.
Features
Set 'ItemStackMaxCount' with the command (OP permission required)
Dependencies
- Fabric API
Configuration
~/config/itemstackpromax.json
You can actually use commands without restarting the client or server
Suggestion
This mod merges the 'ItemEntity' before it is generated
Optimized the 'Inventory' explosion
Credits
- develk - Developer
Translators
- 简体中文 / Chinese (Simplified)
- English (US)
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.6
- 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.
File checked by MCModsHub
- Ships as itemstackpromax-1.0.5-1.21.6.jar — drop this file into the mods folder
- Download size: 17 KB
- Download link checked 10 Oct 2026 — working
These come from our own check of the pack file, not from the source page.