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Item Dupe

A very useful item duper mod that makes every item into a full stack!
by pureplan
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6,097 downloads
0 likes
Updated Jul 6, 2026
0 hypes
MCreator Server Utility Utility & QoL

This mod adds a keybind that makes any item in your main hand into a full stack (64) as a type of duplication.  

Default Keybind: J

This is meant to be a mod for servers and singleplayer for useful purposes.

 

 

So there are some mods out there with duping features that involve items and contraptions but I wanted to make a straightforward one with the convinience of making any item infinitely reusable by spamming the keybind to make it fully stacked, even if it isnt nomally stackable. Works with modded items aswell.

 

For forge only. Let me know if you want it ported/backported to different versions and feel free to share it with others. Hope you enjoy it :)

 

 

 

Please ensure that you credit me if you modify or distribute this mod (including in modpacks or on other websites). Refer to this: Creative Commons Attribution 4.0 License.

ItemDupe-1.20.1.jar
MC Client, 1.20.1, Forge, Server
Release 2025-04-26 Get
ItemDupe-1.12.2.jar
MC Client, Forge, Server, 1.12.2
Beta 2025-04-25 Get

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