Players typically use these tools for three reasons:

Avoid random “free download” sites – stick to GitHub or Nexus Mods.

Click "Save" in the editor. It will generate a new save file. Replace the original file in your %AppData%\Forager folder with this new one. Launch the game to see your changes.

A Save Editor is a third-party software tool or web application that allows players to modify the game's save file. Forager saves game data locally on your computer (in JSON or binary format). A save editor decodes this file, presents the data in a readable user interface, and allows you to change variables before saving the file back to the game.