ModsJava
Stack Size Modifier
A lightweight Fabric mod that increases the maximum stack size of Ender Pearls, Potions, Buckets, and more to 64
⬇ Download on Modrinth
Stack Size Modifier is a simple and lightweight Fabric mod that increases the maximum stack size of specific items to 64, improving inventory management without altering vanilla game mechanics.
🚀 Features
- The following items can now be stacked up to 64:
- 🎯 Throwable Items (Default: 16)
- Ender Pearl
- Snowball
- Egg
🧪 Potions & Bottles (Default: 1)
- Potion (Drinkable)
- Splash Potion
- Lingering Potion
- Honey Bottle (Default: 16)
- Glass Bottle
🪣 Buckets (Default: 1)
- Water Bucket
- Lava Bucket
- Milk Bucket
- Bucket (Empty - Default: 16)
🛠️ Technical Details
- Mod Loader: Fabric
- Minecraft Version: 1.21.7
- Compatibility: Works on both Client and Server.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.7
- 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 stacksize-modifier-1.0.0.jar — drop this file into the mods folder
- Download size: 359 KB
- Download link checked 21 Aug 2026 — working
These come from our own check of the pack file, not from the source page.