Free Online JSON Formatter & Validator

Format, validate, and pretty-print JSON data with our free online JSON Formatter & Validator. Fast, private, and no signup required.

Input JSON

Example

Input{"name":"John","age":30,"city":"New York"}

Output

{
  "name": "John",
  "age": 30,
  "city": "New York"
}

Enter or paste your data in the input area.

See the result instantly.

Copy the result to your clipboard.

How does the JSON Formatter & Validator work?

Enter your data and the JSON Formatter & Validator processes it instantly in your browser.

Is this tool free?

Yes. This tool is completely free to use with no signup required.

Is my data safe?

Yes. All processing happens in your browser. Your data is never sent to any server.