Use a text editor such as Notepad, Notepad++, VS Code, or Sublime Text
Open the file directly from the editor’s File menu
Use a web browser to view the file by dragging it into the browser window
Use a JSON viewer or formatter tool
Open it in an IDE such as Visual Studio Code, IntelliJ IDEA, or PyCharm
Use spreadsheet software only if the JSON is converted first
Use command-line tools such as jq to inspect the contents
Rename the file extension only if it was saved incorrectly
Validate the file with a JSON linting tool if it does not open correctly