Terraria – How to Duplicate Any Item (Journey’s End / Update 1.4)

This guide will tell you how to duplicate any item of your choosing in Terraria 1.4+. I recommend not doing this excessively as it can ruin the Terraria experience.

Simple Duplication Item Guide


Make sure to turn Off the AutoSave feature in settings.


  1. Get items you want to duplicate and leave them in your inventory.
  2. Save and Exit out of your world.
  3. Click Multiplayer.
  4. Click Host & Play.
  5. Start up a local server.
  6. Once in the world put the items you want duplicated in a chest and close out of the chest menu.
  7. Press ALT + F4.
  8. Load up your world in Singleplayer.
  9. Your items have been duplicated.

Video Guide

Here is a video guide on how to do this as well:

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