Dupe Key
🟡 Updated this year⚠️ Install Order · 2 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
🖼️ Gallery (1 images)
🔍 Analysis
- 👍 0.0% endorsement rate
- 🏆 #896 of 940 fabric mods in this game by downloads
📋 About This Mod
Item Duper Dupe items directly from a simple GUI — no commands needed. Press K (configurable) to open the Item Duper menu. Hold any item in your main hand and click Dupe Item to instantly duplicate it into your inventory. Features 🎮 Simple and clean GUI ⌨️ Keybind to open the menu (default: K) 📦 Copies full item data — including Shulker Box contents (Creative mode) ✅ Works in Creative mode (full NBT copy) ✅ Works in Survival/Adventure with OP permissions (via /give) 🔁 Compatible with Minecraft 1.21 – 1.21.11 How to use Hold the item you want to duplicate in your main hand Press K to open the menu Click Dupe Item Done! Notes In Creative mode, items are duplicated with full data (enchantments, NBT, Shulker Box contents) In Survival/Adventure, requires OP or cheats enabled — item data will be transferd when u use the mod 2.0.0 or higher Requirements Fabric Loader ≥ 0.15.0 Fabric API Minecraft 1.21 – 1.21.11
Item Duper Dupe items directly from a simple GUI — no commands needed. Press K (configurable) to open the Item Duper menu. Hold any item in your main hand and click Dupe Item to instantly duplicate it into your inventory. Features
🎮 Simple and clean GUI ⌨️ Keybind to open the menu (default: K) 📦 Copies full item data — including Shulker Box contents (Creative mode) ✅ Works in Creative mode (full NBT copy) ✅ Works in Survival/Adventure with OP permissions (via /give) 🔁 Compatible with Minecraft 1. 21 – 1. 21. 11
Hold the item you want to duplicate in your main hand Press K to open the menu Click Dupe Item Done!
In Creative mode, items are duplicated with full data (enchantments, NBT, Shulker Box contents) In Survival/Adventure, requires OP or cheats enabled — item data will be transferd when u use the mod 2. 0. 0 or higher
Requirements
Fabric Loader ≥ 0. 15. 0 Fabric API Minecraft 1. 21 – 1. 21. 11
📊 Mod Details
- Game
- Minecraft Mods
- Author
- heckerhecktdich
- Version
- 2.0.0
- Downloads
- 17,500
- Endorsements
- 2
- Category
- fabric
- Created
- 3/23/2026
- Updated
- 3/27/2026
- Game Versions
- 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4
- Tags
- utility
🔧 How to Install Minecraft Mods Mods
Download from Modrinth. Use Prism Launcher or drop into your mods folder.
📖 Full step-by-step install guide for Minecraft Mods →
Visit the official mod page for specific installation instructions for this mod.
🎮 Need cheat codes or console commands? Check ur gaming wiki for Minecraft Mods commands, item IDs, and more.
❓ Frequently Asked Questions
Which Minecraft Mods versions does Dupe Key support?
The author lists 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5. Other versions may work but are untested by the author.
What is the latest version of Dupe Key?
Version 2.0.0, published 2026-03-27 with 17,500 downloads recorded at the source.
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