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SPECIFICTION
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RPGMaker Save Editor

github.com

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Spec score 7.4 #16 of 26 in Game Save Editors

What it is

RPGMaker Save Editor (RMSE) is a free, open-source tool for editing save files from RPG Maker MV and MZ. The application runs on Linux, macOS, and Windows, with a Node.js backend and Electron graphical interface. A save can be opened by dragging it from a file browser or choosing it in a file dialog. RMSE edits items, armor, and weapons, and lets users add inventory entries from a dropdown. Character edits are limited to characters in the active party. For values the app does not interpret, including data from custom plugins, users can export the save as raw JSON, make manual changes, and load it again. Before a save is overwritten, RMSE creates a backup and keeps the five newest copies in a `.rmse_backups` folder beside the save files. Save files themselves must stay inside the game directory; exported JSON can be stored anywhere. The project warns that edits to internal variables and switches can damage a save, so backups are advised. The repository has an Apache-2.0 license but no packaged releases. Documented setup requires cloning the repository, installing dependencies with npm, and running `npm start`. Support for older RPG Maker versions is not planned.

Spec sheet

Purpose
RMSE is a tool for editing RPG Maker save files.Read 9 Oct 2026 · github.com
Backups
Before overwriting a save, RMSE creates a backup and keeps the five most recent backups in a .rmse_backups folder beside the save files.Read 9 Oct 2026 · github.com
Caution
The README warns that changing internal variables and switches can damage a save and advises keeping backups.Read 9 Oct 2026 · github.com
Character editing
Character editing is limited to characters currently in the active party.Read 9 Oct 2026 · github.com
Distribution
The GitHub repository lists an Apache-2.0 license and has no packaged releases.Read 9 Oct 2026 · github.com
Interface
The app uses Node.js for its backend and Electron for its graphical interface.Read 9 Oct 2026 · github.com
Inventory editing
Users can edit items, armor, and weapons, and add inventory entries from a dropdown.Read 9 Oct 2026 · github.com
Loading saves
Users can load a save by dragging it from a file browser or selecting it through a file dialog.Read 9 Oct 2026 · github.com
Raw JSON
RMSE can export and load raw save JSON for manual edits, including values from custom plugins it does not read.Read 9 Oct 2026 · github.com
Save location limit
Game save files can only be saved inside the game directory, while exported JSON files can be saved anywhere.Read 9 Oct 2026 · github.com
Setup
The documented setup is to clone the repository, install dependencies with npm, and run npm start.Read 9 Oct 2026 · github.com
Supported games
It should support saves from RPG Maker MV and MZ, and support for older versions is not planned.Read 9 Oct 2026 · github.com

Plans and prices

RPGMaker Save Editor Free No paid plans stated · Apache-2.0 license Read 9 Oct 2026 · github.com

Every RPGMaker Save Editor plan and price →

Strong points and limits

Strong points

  • Free and open source under Apache-2.0
  • Supports RPG Maker MV and MZ saves
  • Creates backups before overwriting saves
  • Raw JSON allows manual edits to unread values

Limits

  • No packaged releases
  • Save files must remain inside the game directory
  • Character editing is limited to the active party
  • Older RPG Maker support is not planned

Who it suits

RMSE suits RPG Maker MV and MZ players who want to edit inventory or active-party characters and are comfortable setting up a project from source. It also offers a raw-JSON route for manual edits to values it does not read.

Verdict

RMSE provides direct editing for MV and MZ saves, with backups and raw JSON for values outside its editor. It requires source-based setup, and changes to internal variables or switches can damage a save.

Where Specifiction places it

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