The editor will show you the JSON structure and allow you to make changes. After editing is finished, use the "Download File" button to download the modified JSON file to your computer.

This will list and render the formatted JSON of the selected JSON file from the folder we chose in the UI. Here the syntax highlighting is done by JS lib (prism).

What Is a JSON File? JSON stands for JavaScript Object Notation and it’s used in defining objects in JavaScript. Of course, you don’t have to learn JavaScript to understand JSON. It is simply a format ...

If Firefox's JSON viewer is not working, you can find all the possible fixes here, in this awesome article.

First, he announced support within Bing Webmaster Tools to debug and view your JSON-LD markup. Second, he announced support for a Bing AMP viewer.