You copy a JSON response from Postman, paste it into your editor, and it looks like this: { "user" :{ "id" : 1042 , "name" : "Shaishav" , "email" : "shaishavap@gmail.com" , "roles" :[ "admin" , "editor" ], "preferences" :{ "theme" : "dark" , "notifications" : true , "language" : "en" }}} Enter fullscreen mode Exit fullscreen mode Technically valid. Completely unreadable. And somewhere in that wall of text is the key you're trying to find. This is what a JSON formatter is for. What JSON formatting does A JSON formatter takes a valid JSON string — compressed, one-line, or just badly indented — and rewrites it with: Each key-value pair on its own line Nested objects and arrays indented consistently Arrays displayed vertically for readability It doesn't change any data. The input and output are semantically identical — only the whitespace changes. How to format JSON online for free Open the JSON Formatter — no login, no signup, no install. Step 1: Paste your JSON Paste any JSON string into the input area.…