A relatively new and free tool on GitHub, this editor is built with Python and tkinter . Its interface is minimal and lightweight, focusing on getting the job done.
If you are editing a Steam game, Steam Cloud might automatically overwrite your edited save file with the unedited version saved in the cloud. Temporarily disable Steam Cloud for the game while applying your modifications.
For most RPG Maker MZ games, you can find your save data in the following directory: [Game Folder] / save / file1.rmmzsave
Highly accessible, requires no installation, and works across multiple engines. rmmzsave editor
RPG Maker MZ save editing enthusiasts Last updated: April 2026
Most editors offer three primary ways to interact with save data:
RPG Maker MZ (RMMZ) uses the .rmmzsave file format to store player progress. Whether you want to bypass a difficult boss, test game mechanics, or recover a corrupted save file, editing these files is the most efficient solution. A relatively new and free tool on GitHub,
Disclaimer: Modifying save files may violate the Terms of Service of some games. This article is for educational purposes and private game modification only. Always respect the developer's intent.
For a "deep" edit (like seeing specific item names instead of just IDs), you must often upload the game's internal data files ( Items.json , System.json ) into the editor before uploading your save file.
The RMMZ Save Editor is a versatile tool with a range of applications, including: Temporarily disable Steam Cloud for the game while
Online save editors are the most popular choice because they require no installation. Websites like Save Editor Online or dedicated RPG Maker save tools allow you to upload your file directly through your browser.
: A Node.js and Electron-based GUI tool specifically built for MZ save files. RPGMaker Browser Saves Exporter
If playing an RMMZ game in a browser, the save data is stored in your browser's LocalStorage. You will need to use the browser's developer tools (F12) to export the data string. Step 2: Create a Backup (Crucial)