Since "RPG Maker Save Editor" typically refers to the popular web-based tool (by saveeditonline) or similar community tools, reviewing an offline version requires looking at a few different solutions.

Most users looking for an "offline" version are actually looking for the RPG Maker Save Editor tool hosted on GitHub that can be run locally, or generic save editing techniques.

Here is a review of the RPG Maker Save Editor experience for offline use.

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Problem 1: “Save file is corrupted” after editing.

• Cause: The editor did not compute the checksum or re-encrypt the file correctly.
• Solution: Always use the same editor version as your RPG Maker runtime. For MV/MZ, ensure the editor uses the same key (though most modern tools auto-detect). Try exporting to JSON, manually editing in Notepad++, then re-importing.

Step 3: Load and Modify

1. Open the editor. Click “Load Save” and navigate to your .rmmzsave file.
2. You will see tabs:
   • Global: Change playtime or save name.
   • Actors: Increase HP, MP, level, or EXP.
   • Items: Change potions from 5 to 99.
   • Variables/Switches: For quest debugging, set Switch #45 (Boss Defeated) to ON.
3. Pro tip: Increase a rarely used variable (e.g., Variable 283) to a high number first. If the game crashes, you’ll know where to look.

Step-by-Step: Editing an RPG Maker MV Save (Offline)

Let’s walk through a real example. We’ll add 99,999 gold and a rare sword.

What you need:

• Any text editor (Notepad++ recommended).
• An offline JSON save editor tool (like the standalone MV Save Editor).

Steps:

1. Locate your save file

   • Windows: %USERPROFILE%/Documents/YourGameFolder/www/save/ or inside the game’s installation folder.
   • Look for file1.rmmzsave, file2.rmmzsave, etc.

2. Back it up – Copy file1.rmmzsave to file1_backup.rmmzsave.

3. Open the offline editor – Launch the MV Save Editor HTML file.

4. Load the save – Click “Load” and select your file1.rmmzsave.

5. Edit values

   • Find _gold and change the number to 99999.
   • Find _items → add an entry for sword ID (you’ll need the game’s item ID list—check the game’s www/data/Items.json for reference).
   • Example: "items": "12": 1 means one of item ID 12.

6. Save the edited file – Click “Encrypt” or “Save” (depending on tool) and overwrite the original (or save as a new slot).

7. Launch the game – Load that save file. You should see your changes.