NSON (Nintendo Serialized Object Notation) is a proprietary data serialization format used primarily in several Nintendo Switch games, including Animal Crossing: New Horizons , Pokémon Brilliant Diamond/Shining Pearl , and The Legend of Zelda: Link’s Awakening (remake). It resembles JSON but uses a binary structure optimized for game engines like Nintendo’s internal development frameworks.
Whether you are a modder, a speedrunner, or just a player who wants to skip a frustrating grind, investing ten minutes to learn your .nson editor will pay dividends across multiple games. .nson save editor
Open the file in a basic text editor (Notepad). If you see readable data like: NSON (Nintendo Serialized Object Notation) is a proprietary