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By downloading any third party software, you acknowledge that you cannot hold anyone responsible for any adverse effects to your devices, your game, or your online accounts.
An Inventory editor is a third-party program that allows you to add or remove items from your local character inventory, and in many cases, edit other character data.
Inventory editors are primarily designed for the !!Error: {{eversions}}: No valid parameters were entered! of Terraria. Before you continue, it is advised to back up the character files.
Terrasavr
A full inventory and character editor in a web-based app. Includes a user friendly UI. It is completely safe to use. Note that when you save a character file, you will have to rename it to [Name of choice].plr to use it in-game.
This inventory editor can also be used on 
Mobile version devices since the 1.3.0.7 update. The character files should be located in:
/sdcard/Android/data/com.and.games505.TerrariaPaid/Playersor/storage/emulated/0/Android/data/com.and.games505.TerrariaPaid/Players.
Browse > On My (device) > Terraria > Players.
You might want to use the editor in landscape so that interface elements are not chopped up.
Terraria InvEdit
A full Windows-based inventory and character editor, designed to be compatible with Steam. The author, Shoot, appears to have abandoned this, so an alternate download link was made by a user at the Official Terraria Forums (see the link in the infobox).
The project is formally marked as abandoned on the Official Terraria Forums, however, the source code was released to the public and can be used to update the editor to work with newer editions of Terraria should someone wish to pick it up.
