Why is visualizing JSON feeds important?
JSON data strings are generally sent as a long, unformatted string between the client and the server, without tabs or white spaces. This sometimes makes it difficult for a software programmer to debug. The are many different applications for JSON: on different devices, web browsers, but also different platforms. This could cause compatibility problems, which could lead to the website or mobile app not working the same way on all platforms.
That is why it's so advantageous for software programmers if they can visually debug the JSON string without any trouble. The JSON feed is no longer one long string, but a visually recognizable structure of arrays and complex objects. This allows the software developer to edit the JSON data more easily and to solve any possible compatibility problems before the JSON link goes live.