Use a text editor such as Notepad, VS Code, Sublime Text, or TextEdit
Use a web browser by dragging the JSON file into the browser window
Use an online JSON viewer or formatter
Use a code editor with JSON support
Use a programming language such as Python, JavaScript, or Java to read the file
Use spreadsheet software only if the JSON is first converted to CSV or another compatible format
Use a JSON-specific application or viewer on your device
Right-click the file and choose Open With to select an appropriate app