Pokésav is a save editing tool for Generation 4 (Diamond, Pearl, Platinum, HeartGold, SoulSilver). Its development has ceased. Users are encouraged to use PKHeX instead. Pokésav does have a few key features that distinguish it from other things, such as Underground editing; if you don't need something specific, however, stick to PKHeX for gen 4 editing. There are different files for each game and language. Use this table to find the version you want:   English