.JSON File Extension
Full form: JavaScript Object Notation
What is a .json file?
A lightweight text format for storing and exchanging structured data between apps and servers. Files that end with .json belong to the data family of file types, so your computer links them with a suitable program automatically.
Where is .json used?
APIs, app settings and website data. Because the format is so common, almost every modern device and software understands it.
Examples of .json file names
data.json
How to open a .json file
You can open it with: VS Code, Notepad, browsers. If it does not open, check that the file is not damaged and that you have downloaded it fully; also confirm that the extension was not renamed by mistake.
Quick tips
Never rename a file just to change its extension, because that does not convert the data inside. Use a proper converter or the Save As / Export option. Keep a backup copy of important data files before editing them.