| Platform | Path |
|----------|------|
| Windows (local) | %AppData%/../Local/RPG Maker MZ/ or project folder www/save/ |
| Web / deployed | Browser local storage (export via console) |
| Steam version | C:\Users\<You>\Saved Games\RPG Maker MZ\ |
Code sketch (conceptual; not full implementation):
// pseudocode
const file = await readFile(input);
let text = await file.text();
if (isBase64(text)) text = decompressFromBase64(text);
const data = JSON.parse(text);
// edit data...
let out = JSON.stringify(data);
if (originalWasCompressed) out = compressToBase64(out);
downloadFile(out, 'Game.rmmzsave');
Let’s walk through a practical example. You are playing Dragon Fantasy: Echoes and you want 999,999 gold and max stats.
Step 1: Locate your save file.
Close the game. Navigate to the save folder. Look for a file named file1.rmmzsave or Save01.rpgsave. Copy it to your desktop (backup first!).
Step 2: Choose your editor. Open your browser and go to a trusted online RMMZSave Editor. (Always scan desktop downloads with antivirus software.)
Step 3: Load the file.
Drag your save file into the editor window. If the game uses custom encryption, the editor will likely ask you for the System.json or www/data/System.json file from the game installation folder. Upload that as well.
Step 4: Decrypt & Navigate. The editor will parse the JSON. You will see a tree structure:
Step 5: Save the modified file.
Click "Export" or "Save As." Download the new file. Rename it to exactly the original filename (e.g., Save01.rmmzsave).
Step 6: Replace and play. Copy the modified file back into the game’s save folder. Overwrite the original. Load the game. Your hero now has 999,999 gold.
The save file acts as a snapshot of the game's Random Access Memory (RAM). It stores:
| Key | Description |
|-----|-------------|
| system | Game system data (party members, save time, etc.) |
| actors | Array of actor objects (level, exp, hp, mp, skills, equipment) |
| party | Party member IDs in order |
| items / weapons / armors | Inventory counts |
| variables | Array of game variable values |
| selfSwitches | Self switch data |
| map / events | Current map & event progress |
(Placeholder – write or paste your own decryption routine here)
# Example structure (not full implementation)
import zlib, json
with open("file1.rmmzsave", "rb") as f:
data = f.read()
# Decompress and decrypt as needed
plain = zlib.decompress(data[16:]) # approximate
save = json.loads(plain)
print(save["system"]["gold"])
Created for: RPG Maker MZ save editing enthusiasts
Last updated: April 2026
If you meant something else by “create a paper” (e.g., a research paper, a form to print, or a diagram), just let me know and I’ll adjust the format accordingly.
file extension is the standard save data format for RPG Maker MZ rmmzsave editor
games. Because these files are typically compressed or JSON-structured, specialized "RMMZSave Editors" are used to modify character stats, items, and game progress without using the original developer tools. Core Functionality of RMMZSave Editors Variable & Switch Manipulation
: Access and flip hidden game switches or change variable values (e.g., changing a "Quest Progress" variable). Actor Editing : Modify HP, MP, attack power, and level for party members. Inventory Control
: Add rare items, equipment, or gold directly into the save file. JSON Unpacking
: Some advanced editors function by unpacking the compressed save into readable JSON for manual editing in a text editor like Notepad++, then repacking it for the game to read. Popular Tools & Resources
Several community-developed tools are available for handling these files: RMSE (RPGMaker Save Editor)
: A desktop application for Windows, Linux, and Mac that provides a GUI for editing .rmmzsave and .rpgsave files. It includes features like automatic backups to prevent file corruption. Save Editor Online
: A browser-based tool where you drag and drop your save file to edit values. It is widely used but can be limited by hidden free-user caps and difficulties in identifying specific items by ID rather than name. RPGMaker-SaveEditor (ZaDoodDood)
: A Node.js and Electron-based GUI tool specifically built for MZ save files. RPGMaker Browser Saves Exporter
: Useful for exporting save data that is stored in the browser's "localforage" rather than as a standalone file. File Locations You can typically find your files in these directories: PC (Standalone/Steam) : Look in the game folder under Web/Browser Games : Data is often stored in the browser's local storage. : Often located in the
folder, though modern Android versions may require a specialized file manager or a PC connection to view them. these files without a dedicated editor?
The blue glow of the monitor was the only light in the apartment, casting long, skeletal shadows across the stacks of energy drink cans. Leo stared at the screen, his eyes burning. He wasn't playing the game anymore; he was wrestling with it.
The game was Chronicles of Aethelgard, an RPG Maker MZ title that had consumed his last three months. He had reached the final boss, the Void King, but the difficulty spike was unfair. It wasn't a challenge; it was a brick wall. After the fiftieth "Game Over" screen, Leo wasn't angry. He was determined.
He wasn't going to grind levels. He was going to play god.
He alt-tabbed out of the game and opened his toolkit: a hex editor and a specialized utility known simply as the RMMZ Save Editor. | Platform | Path | |----------|------| | Windows
"It’s just data, Leo," he muttered to himself, his fingers flying across the keyboard. "Just variables and switches."
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 Actors tab.
There she was: Seraphina, the Mage. His favorite character. She was level 42, frail and underpowered against the Void King’s magic resistance.
Leo highlighted the Attack value. He typed 9999. Then he did the same for Magic, Defense, and Agility.
"Immortal," he whispered. "But let's make it interesting."
He clicked over to the Items tab. He didn't just want potions; he wanted things the developers had removed. He scrolled past the standard potions and found the 'Hidden' section. Item ID 0142: Dev Debug Sword. Description: Instant Victory. He checked the box to add 1 to his inventory.
Then, the most dangerous tab of all: System. There was a list of Switches—boolean flags that determined the state of the world.
Leo scrolled to the bottom. He saw a switch that was greyed out, unnamed.
Curiosity was Leo's fatal flaw. He checked the box. "Let's see what you do," he said.
He saved the file, overwriting the original. He closed the editor, his heart thumping a little faster. He tabbed back into Aethelgard. The main menu loaded. He selected "Continue."
The screen flickered. Usually, the load screen showed a painting of the party standing on a cliff. This time, the painting was corrupted—a mess of pixelated static.
File Loaded.
Leo appeared in the Throne Room of the Void King. The music, usually a haunting orchestral track, was playing backward. It sounded like a slow, grinding dirge.
He opened his menu. Ser
An RMMZSAVE editor is a utility designed to modify save files (with the .rmmzsave extension) for games created using RPG Maker MZ. Because these files are compressed using zlib and stored in a binary format, they cannot be read or edited with standard text editors like Notepad without first being decoded. Popular RMMZSAVE Editors
Depending on whether you prefer a web interface or a standalone desktop application, several tools are available:
RPG MAKER MZ SAVE EDITOR: A web-based tool hosted on save-editor.com that allows users to upload a save file, modify specific fields in a visual form, and download the updated version.
Save Editor Online: A versatile web tool that supports many game engines, including RPG Maker MZ. Users can drag and drop their .rmmzsave file to see a list of editable variables and values.
RPGMaker Save Editor (RMSE): A desktop application developed by nathan-b on GitHub. It uses Node.js and Electron to provide a GUI that works offline and includes safety features like automatic backups. Core Functionality
Most editors offer three primary ways to interact with save data:
The RMMZ Save Editor allows players to modify internal game data by decoding the compressed .rmmzsave format into readable JSON. This is useful for adjusting character stats, inventory, and progression without needing the original game project files. Commonly Used Tools
Online Editors: Popular choices include Save-Editor.com and SaveEditOnline.com.
Offline Tools: Notable open-source projects include RMSE (RPGMaker Save Editor) by nathan-b and RPGMaker-SaveEditor by ZaDoodDood.
Plugins: Cheating plugins like the RPG Maker MV-MZ Cheat UI allow real-time editing from within the game. Locating Save Files
To use any editor, you first need to find your game's save folder: Standard Path: Game Directory/save/. Steam Path: steamapps/common/Game Name/save/. File Naming: file0.rmmzsave: Autosave. file1.rmmzsave, file2.rmmzsave, etc.: Manual save slots.
global.rmmzsave: Stores global information like the Options menu or unlocked gallery items. Step-by-Step Instructions
For single-player games, the answer is philosophical. Using an RMMZSave editor is not hacking a multiplayer server; it is modifying your local property. However, consider this:
Verdict: Use it responsibly. Backup your original saves. Let’s walk through a practical example