StackResizePremium v1.0

Are you annoyed that you cannot stack water buckets?
That you need multiple chests just to store your tools or enchanted books?
Does it bother you that useless bread stacks to 64, but expensive rabbit stew fills your entire inventory?

StackResize gives you full control over how items stack on your server – safely, intelligently, and without breaking vanilla mechanics.

Main Features

• Change the maximum stack size for ANY item
• Make tools, weapons, and armor stackable
• Make potions stack up to custom amounts
• Make enchanted books stack (only when enchantments match)
• Automatically unstack tools/armor when used so durability works correctly
• Smart stacking system – items only stack if they truly match
• Works with hoppers and vanilla mechanics
• Presets system for quick configuration
• In-game GUI to manage stack sizes easily

Smart Stacking System

StackResize does NOT blindly merge items.

Items will only stack if they match your configured rules:

• Same material
• Same enchantments
• Same item meta (name, lore, custom model data, attributes)
• Same damage value (configurable tolerance)
• Potions only stack if potion type & effects match
• Enchanted books only stack if enchantments match

This prevents dupes, item corruption, and unexpected behavior.

Non-Stackable Item Generator

Tired of manually adding every tool and armor piece?

StackResize can automatically generate ALL vanilla non-stackable items (items with max stack size = 1) into the config:

• All tools
• All armor
• All weapons
• Elytra
• Other special items

Enable it once, restart the server, and the plugin will populate your config automatically.

Safety & Anti-Bug Protection

• Optional hard-block for Shulker Boxes (prevents item loss)
• Auto-fix system that sanitizes illegal stacks
• Prevents buggy hopper merges
• Prevents inventory glitches from other plugins
• Safe handling of stacked damageable items

GUI Manager

• In-game GUI editor
• Hold an item and adjust its max stack size
• Quick +1 / -1 / +8 / -8 buttons
• Apply presets directly from GUI

Presets System

Create reusable profiles for different server setups:

• Survival-safe preset
• Mining-focused preset
• Custom presets via config
• Apply via command or GUI

Commands

• /stackresize gui – Open the stack size GUI
• /stackresize set <amount> [item] – Set max stack size
• /stackresize info [item] – View stack info for an item
• /stackresize preset apply <name> – Apply a preset
• /stackresize reload – Reload configuration
• /stackresize test – Get test items

Permissions

• stackresize.admin – Access all commands and GUI

Supported Versions

• Minecraft 1.18+
• Spigot
• Paper
• Purpur

Important Notes

• Stack sizes cannot exceed vanilla client limits (64)
• Stack sizes apply server-wide (vanilla limitation)
• Shulker Boxes are blocked by default for safety
• Smart stacking prevents item loss and dupes

Why StackResize?

• No unsafe stacking
• No dupe exploits
• No broken durability
• No inventory corruption
• Clean config & GUI
• Made for real survival servers