Save Editor Rxdata Access
For older or less supported files (specifically .rxdata from RPG Maker XP), a Hex Editor (like HxD) is sometimes used. However, this is risky because:
If you plan to transfer the Pokémon to a later generation (via a flash cart or real hardware), run the Legality Checker. The editor will flag impossible combinations (e.g., a Charizard caught at Level 2 in a Master Ball). Adjust the "Met Location" and "Met Level" to match reality.
Click File > Save. Overwrite the original .rxdata file in the emulator’s Battery folder. Close the editor. save editor rxdata
When looking for a save editor, you must ensure the tool supports the specific file extension of your game:
| Engine | File Extension | Complexity to Edit |
| :--- | :--- | :--- |
| RPG Maker XP | .rxdata | Harder; fewer modern tools support this natively. |
| RPG Maker VX | .rvdata | Moderate; many tools available. |
| RPG Maker VX Ace | .rvdata2 | Moderate; very similar to VX but with different classes. |
| RPG Maker MV/MZ | .rpgsave | Easiest; these are actually JSON files (text-based), easily edited with notepad or online editors. | For older or less supported files (specifically
Download and install the chosen save editor. Make sure to select a reputable source to avoid malware.
These programs provide a user interface (UI) that automatically decodes the binary data into readable text and sliders. A save editor must:
Most emulators (like DeSmuME) allow you to export your battery save file. Look for "Export Backup Memory" or "Raw Save." This often produces a 512KB .sav file. You can then open that in PKHeX, edit it, and import it back. The emulator will convert it to .rxdata upon loading.