Online Mode: Characters are stored on the developer's servers. There is no way to edit these saves locally, as the server validates all data. Attempting to manipulate online data can result in account bans.
Torchlight 3 (Singleplayer), the most prominent save editor available as of 2021 is the torchlight-3-save-editor , a command-line tool found on GitHub by GalacticCapybara How to Use the Save Editor torchlight 3 save editor 2021
: Always create a copy of your original save files before importing changes to prevent corruption. Online Mode: Characters are stored on the developer's
A list of which without crashing the game. Which part of the editing process torchlight 3 save editor 2021
Disclaimer: Modifying save files can corrupt your data. This article is for informational and archival purposes regarding the 2021 state of the game.