G4Edit is a save editor for pokemon generation 4 games (Diamond, Pearl, Platinum).

With it you can modify:

Trainer Modifications

• Trainer info (Name, Gender, TID, SID)
• Badges Collected
• Money
• Party

Pokemon Modifications

• Pokemon Info (Name, Species, Gender)
• Shinyness and Pokerus
• Nature
• Held Items
• Battle Info (Level, Moves, HP, Stats, etc.)
• And More

python3 g4edit.py <path to .sav file>

or

python3 g4edit.py