You can right-click on items to enter the "general edit of item" menu, allowing you to change item types, set them to "Perfect," or add unique/set modifiers.
In patch 1.14d, your single-player characters are saved in your Windows user profile: C:\Users\[YourUsername]\Saved Games\Diablo II\ Opening Your Character Launch the Hero Editor. Click (the folder icon). Navigate to the Saved Games\Diablo II path listed above. diablo 2 hero editor 114 d download exclusive
: Offers the standard Hero Editor v1.04 and a massive collection of .d2i item files to quickly gear up your characters. You can right-click on items to enter the