RMMZ saves are by default.
As of 2025, game developers are getting smarter. Many modern RMMZ plugins (VisuStella, FOSSIL) now store critical data in or IndexedDB rather than plain JSON inside the save file. Furthermore, new anti-corruption hashing algorithms are making it harder to simply "change the gold."
Open your browser and go to a trusted online RMMZSave Editor. (Always scan desktop downloads with antivirus software.) rmmzsave editor
If a poorly optimized event or glitch traps your character behind a wall or inside a graphic, you can edit your coordinates to teleport back to safety.
: Instantly change party currency (Gold), item quantities, and consumable stockpiles. RMMZ saves are by default
RPG Maker MZ (RMMZ) is a powerful engine for creating classic role-playing games. However, as a player, you might sometimes encounter a game that is too grindy, poorly balanced, or contains a game-breaking bug. This is where an becomes an invaluable tool.
Before diving into editing, it's important to know what you're working with. When you save your progress in a game made with RPG Maker MZ, the engine creates a file with the .rmmzsave extension. Unlike a simple text document, this file is a container of encoded data that holds almost every piece of information about your current game state. This includes your party's levels, stats, and inventories, the amount of gold you have, the game's internal flags (switches), and even map data. RPG Maker MZ (RMMZ) is a powerful engine
This is the biggest risk. If you change a number to a text string, or set _hp to 1,000,000 when the game engine only supports up to 99,999, the game will crash upon loading with an error like "TypeError: Cannot read property 'isDead' of undefined."
Click "Save As..." to overwrite the original or create a new save slot. Always keep a backup before editing.