| Tool | Use | |------|-----| | Notepad++ | View decrypted JSON | | VS Code + JSON extension | Syntax highlight & validation | | Python script | Automate decrypt → edit → encrypt | | Save editor online (e.g., SaveEditorOnline) | For simple changes (gold, items) | | RMMZSaveTool (custom) | Community tools (search GitHub) |
RMMZSave Editor is a third-party save file modifier specifically built for RPG Maker MZ (and backwards compatible with most RPG Maker MV titles). Unlike manual hex editing, this tool provides a clean, graphical interface to inspect and alter almost every variable stored in your file%.rmmzsave (or file%.rpgsave) files.
Think of it as a "New Game+" creator, a debugger, or a difficulty adjuster—all in one.
Some advanced RPG Maker MZ games implement custom checksums or anti-cheat. Solution: Look for an editor with a "Recalculate Checksum" feature. If the game is commercial, editing might be disabled entirely.
You need to test a specific late-game mechanic for a YouTube video, but you don't have a save file near that area. Instead of playing for 10 hours, you use the editor to teleport your party to Map ID #045 and unlock the required story switches.
Subject: Reverse Engineering and Manipulation of RPG Maker MZ Save Data Structures Date: October 26, 2023 Type: Technical Analysis & Software Design