JSON Validator
Check whether JSON syntax is valid before you use it in apps, APIs, or config files.
Both tools belong to developer tools and usually solve closely related tasks.
Developer Tools
Explore related tools you may want to use together with JSON Formatter or instead of it, depending on your task.
Use this free JSON formatter to turn minified or messy JSON into clean, readable output with proper indentation. It is useful for API responses, config files, payload inspection, and debugging copied JSON before you reuse or share it.
Related pages are useful when JSON Formatter is only one step in a bigger workflow. Sometimes you need a reverse action, a cleanup step, a validator, a supporting converter, or a nearby tool in the same category.
Return to the main JSON Formatter page to run the tool directly.