The best way is to search the Terraria Wiki and look in the info box: At the bottom is the “Internal Item ID”. Now you just have to find out which file you want to edit. If you use Windows, you don’t need to download any additional software. Unfortunately Microsoft Paint replaces the transparent pixels with white ones, then Terraria is full of white squares. First of all you need a program to open and edit PNG files. Now it is time to start the correct editing. After some time the files will be output to the specified Output Folder. If the correct folder is specified in the “Input” Folder field, you should simply press Extract. TConvert is not a virus, some antivirus programs simply warn you about unsigned. Virus? Don’t worry if your anti-virus program works. NET Framework 4.5.2 | Windows 7 or later