It looks like you are interested in editing your save file for (typically the Nintendo DS version or the Switch/PS4 remaster).
| Tool | Platform | Notes | |------|----------|-------| | | Windows | Supports IE1, IE2, IE3. Clean GUI. | | IE Save Editor (Web-based) | Browser | Simpler, for quick player stat edits. | | Hex manually + HxD | Windows/Linux | Advanced – requires knowledge of save structure. | inazuma eleven 1 save editor