Input
Format
What is a JSON Formatter & Validator?
A JSON Formatter & Validator turns messy JSON into a clean, readable structure while checking for syntax errors. It's useful for debugging APIs, configuration files, and any application that works with JSON.
How to use the JSON Formatter & Validator?
  • Paste or type your JSON into the input box.
  • Click the "Format" button.
  • View the formatted output and whether your JSON is valid.
  • Copy, download, or clear the output as needed.
Frequently Asked Questions
What is JSON?
Why is my JSON marked as invalid?
Does formatting change my data?
Can I format JSON copied from an API?
Is there a limit to how much JSON I can format?