Raw JSON is difficult for end-users to navigate. The editor must parse the JSON into a navigable User Interface (UI).
Before diving into editors, you must understand what you are dealing with. RPG Maker MZ saves are not plain text files. If you open one in Notepad, you will see a wall of binary gibberish. Here is the technical breakdown: rmmzsave editor
RMMZ allows developers to use plugins (scripts) that alter save data. Common plugins like "Yanfly Save Core" or "Galv's Storage" may encrypt save files or add proprietary headers to the JSON structure. A robust Save Editor must: Raw JSON is difficult for end-users to navigate
He dragged his save01.rmmzsave file into the editor window. To the uninitiated, it was a wall of numbers. To Leo, it was the DNA of his reality. He navigated to the tab. RPG Maker MZ saves are not plain text files