DatapacksJava
Dupe Hack
Java data pack listed for Minecraft 1.21–26.x. Downloads from the MC Java Mods app on Android.
⬇ Download on ModrinthDupe Hack
Duplicate items like it's April Fools' Day!
Features
Obtaining
Kill mobs or entities with containers for a chance to obtain Dupe Hack.
The Looting enchantment increases the drop chance when killing mobs.
Or cheat one in using
/function dupe_hack:give.
Usage
Hold Dupe Hack in your main hand and the item you want to duplicate in your offhand.
Right-click to instantly duplicate the item!
Enchantment support:
- Fortune: Increases the number of duplicated items.
- Unbreaking: Reduces the chance of Dupe Hack breaking when used.
Config
- Use
/scoreboard players set #break_chance dupe_hack.config <chance>to adjust the chance of Dupe Hack breaking when used. <chance>is a percentage from 0 to 100 (0 = never breaks, 100 = always breaks).- Use
/function dupe_hack:config/resetto reset the break chance to its default value.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.11, 26.2, 26.1.2
- 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 — see the MC Java Mods guides for the full walkthrough.
File checked by MCModsHub
- Downloads as Dupe Hack v0.1.0.zip
- Download size: 8 KB
- Download link checked 15 Nov 2026 — working
These come from our own check of the pack file, not from the source page.