JSONLint is not just an online JSON validator, it also helps us format JSON and makes it look pretty. Often JSON feeds are big, and an online editor that provides a tree structure to traverse through JSON objects is always helpful. JSON Editor Online is one of my favorite online editors to work with and format big JSON objects, as it provides an easy-to-navigate tree structure:
To work with JSON Editor Online, please visit https://jsoneditoronline.org/.
We begin by pasting our JSON example code into the window on the left-hand side, and click on the right arrow button in the middle to generate our tree structure. Once we make changes to the tree structure, we can click on the left arrow button to format our data, making it ready to use elsewhere.