Nson: Save Editor

Homebrew tools like Checkpoint or JKSV are required to export the raw save data from the official NSO application container to your SD card.

Example NSON snippet (hex view + interpreted):

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NSON is a binary JSON-like structure often found in modern indie and AA games (especially Unity-based titles). It preserves data types better than plain JSON and supports embedded blobs, references, and compression. nson save editor

For advanced users who can navigate raw hex data without conversion.

Modifying saved progress in Nintendo Switch games where save data is not encrypted with console-unique keys (or has been decrypted via other means like JKSV or Checkpoint).

: Disable cloud synchronization (like Steam Cloud) before editing to prevent the game from overwriting your modified file with an older version. Avoid Extreme Values Homebrew tools like Checkpoint or JKSV are required

An is a specialized utility used to modify game progress stored in the NSON (Network Serialization Object Notation) file format. This format is primarily associated with Nintendo Switch saves and certain PC titles, acting as a binary-encoded version of JSON. What is the NSON Format?

If you have a patched Switch (V2, OLED, or Lite) or don't want to hack your console, this is the only real hardware-based option.

Below is a comprehensive guide to understanding what an NSON save editor is, how to use it safely, and the best practices for modifying your files. Understanding the NSON Format If you share with third parties, their policies apply

There are currently no publicly known editors that work directly with Nintendo Switch Online cloud saves for unmodified consoles. Nintendo's servers verify the integrity of the save file upon upload/download, making this a secure loop that is difficult to crack.

This comprehensive guide covers everything you need to know about the NSON Save Editor, including how it works, how to use it safely, and best practices for modifying your game saves. What is an NSON Save Editor?

: Add or remove items, and grant yourself currencies like credits, nanites, or quicksilver.