Some visual novels and adventure games also use .nson files. For these, dedicated tools exist. A popular utility called works as follows:
supports specific integer types (i8 to i64) and floating-point types (f32/f64), the editor must strictly enforce these types during user input to prevent file corruption in the game engine. Naninovel-Specific State Parsing
Get the latest version from the goatfungus GitHub repository: https://github.com/goatfungus/NMSSaveEditor
: Always copy your original save file to a safe location before editing to prevent permanent data loss. .nson save editor
An .nson file is typically a file or a variation of a standard JSON (JavaScript Object Notation) file. Developers use this format because it is lightweight, highly structured, and easy for video game engines to read and write quickly.
Games like No Man's Sky occasionally utilize this extension for specific data segments. Top Tools for Editing .nson Save Files 1. NSON Editor (Web-Based)
Master Your Game Data: A Complete Guide to .nson Save Editors Some visual novels and adventure games also use
| Tool | Platform | Best for | |------|----------|-----------| | + "JSON Crack" extension | Win/Mac/Linux | Manual editing with schema validation | | Notepad++ with JSON Viewer plugin | Windows | Lightweight, fast | | Online JSON Editor (jsoneditoronline.org) | Web | Quick, no-install fixes | | Save Editor Universal (SEU) | Windows | Custom scripting for .nson + checksums | | jq (command line) | Cross-platform | Batch scripting (e.g., jq '.player.level = 99' save.nson > new_save.nson ) |
Experts at FILExt and other specialized forums strongly recommend of the original .nson file before attempting any modifications. This ensures that if an error occurs during the editing process, the player’s original progress remains intact.
Developers and modders use these tools to test game mechanics quickly. Common Uses of .nson Editors Naninovel-Specific State Parsing Get the latest version from
What you can edit with NMSE:
Never use save editors in online multiplayer games where the server stores your data. The changes may be detected, leading to bans. Save editors are for offline games or for games that store progress locally.
Manage fleets, change currencies and stats, organize inventories, fast travel to any system, trigger space battles, clear portal interference, edit knowledge and recorded experiences
These files store everything that makes up your game progress — player statistics, inventory items, world exploration data, and various settings. However, unlike plain text files, .nson files are typically encrypted or proprietary binary data that cannot be opened with a simple text editor. If you try to open a .nson file in Notepad, you will see only illegible characters.
Save the changes and replace the modified file back in the game's save folder. Launch the Game: Load your game to verify the changes. Best Practices for Safe Editing