Opening an NSON File

The NSON file type is primarily associated with NSON Editor.

NSON	File extension: NSON
	File type:	game save file

What is an NSON file?

NSON files mostly belong to NSON Editor. NSON files are specialized game save data files that store in-game progress and settings. They are often used by video games on the Nintendo Switch as well as on PC titles.
These files hold binary data in a proprietary format. This means the structure is custom for each game. For example, many games use the NSON Editor tool to read or modify them.
Notable details:

Usage: Stores game progress and player settings.

Platform: Common on Nintendo Switch games and PC titles such as No Man's Sky and Noita.

Format: A binary file that may include encryption and checksums to protect data integrity.

Editing: Requires specialized software to avoid corrupting the file.

FilExt.com tip: Always make a backup before attempting any edits.

How to open an NSON file

You need a suitable software like NSON Editor to open an NSON file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your NSON file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a NSON file directly in the browser:. Just drag the file onto this browser window and drop it.

Online NSON Text Viewer

Choose your .nson file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert NSON files:

NSON Editor
See the previous paragraphs to learn more about the main application. NSON files are often referred to as NSON Editor games because this type of file is primarily created or used by this software.
Nintendo Switch, NSON Editor, No Man's Sky
NSON files primarily store game save data. They are predominantly associated with Nintendo Switch game saves, allowing players to preserve their progress in various games. While less common, NSON files can also be related to saved game data from other platforms, such as PC games like No Man's Sky. Specific software designed for handling NSON files, such as NSON Editor, exists to facilitate the viewing and manipulation of their contents. These files encapsulate the necessary information to restore a game's state, encompassing elements such as player statistics, inventory, and world exploration progress. This file format is classified as Game Save File.

NSON file format:

The file format, which is the arrangement and type of data in a file, determines which program can open the file. The file format can be deduced from the file extension and the signature. However, different programs can use the same file extension. Furthermore, a file extension can be renamed incorrectly and double-clicking on it will then display an error when it is opened. Exact knowledge of the format is therefore important in order to solve problems occurring in files. Our analysis of the NSON files produces the following result:

NSON is rarely used as a file extension and is used by different programs with different formats. The file formats most commonly found in NSON files are:

40% of all NSON files use the same file format, which have the signature EC BD. If you open these files in a text editor, you will see only illegible characters. The files are on average 27 KB in size and range from 17 KB to 31 KB. The file type was created recently. A usual file name is GameSave001.nson or GameSave002.nson.
15% of all NSON files start with the bytes ED BD, which are crucial for this file format. They consist of illegible, cryptic characters. The average file size is 14 KB with most files being between 12 KB and 16 KB in size. Some examples of file names are GameSave001.nson.

The remaining 45% of all NSON files are files with no common format. Tagged as global or quick. You can get all the details of your NSON file by dragging it onto this page or by clicking the button "Choose your .nson file to analyze" above.

Technical Data for NSON File Extension

File classification:

Game

Related files:

save, srm, son, json, gax, hsf, rpgsave, hdsav, saves, sav, dat, bin

an nson game save file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with NSON files

Associate the NSON file extension with the correct application.
Update your software that should actually open game save files. Because only the current version supports the latest NSON file format. Search, therefore, e.g. on the manufacturer website after an available NSON Editor update.
To make sure that your NSON file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .NSON file online - secure, fast, and no downloads needed.