data[:party][0][:level] = 99
| Tool | Platform | Best For | |------|----------|----------| | (by AdrienVdG) | Windows | General save editing (Pokémon Essentials, standard RPG Maker) | | PokeGen / PKHeX (for Pokémon) | Windows / Web | Pokémon-specific save editing (works with .rxdata saves) | | Ruby Marshal Editor (custom script) | Cross‑platform | Advanced users who want to edit in Ruby or Python | | RXData Editor (standalone tool) – older | Windows | Legacy fan games, simple edits | | Atom / VS Code + Ruby plugin | Cross‑platform | Manual hex editing (not recommended for beginners) | rxdata editor