.json — JavaScript Object Notation
A lightweight, human-readable text format for structured data, widely used for configuration files and data exchange between apps and APIs.
Safety guidance (not a guarantee)
This is a plain-text configuration or data format with no built-in ability to execute code on its own.
Check another filename
File extension lookup
Frequently asked questions
What is a .json file?
A lightweight, human-readable text format for structured data, widely used for configuration files and data exchange between apps and APIs.
Can I edit a .json file?
Yes — .json files are commonly editable with software such as Any text editor.
Does having a .json extension mean the file is safe?
No single extension can guarantee that. This is a plain-text configuration or data format with no built-in ability to execute code on its own. Always consider where the file came from, not just its name.
Privacy: The lookup above runs entirely in your browser. Nothing you type is uploaded, logged, or sent anywhere.