JSON Formatter & Validator

About JSON Formatter & Validator

JSON Formatter & Validator is a free online tool for formatting, validating and improving the readability of JSON data. It is useful for developers working with APIs, configuration files and structured data.

How to Use JSON Formatter & Validator

1. Paste your JSON data into the input area.
2. Run the formatter or validator.
3. Review the formatted JSON output.
4. Correct any reported syntax problems if necessary.
5. Copy the formatted result when finished.

Key Features

• Format JSON for easier reading
• Validate JSON syntax
• Useful for APIs and configuration data
• Instant browser-based processing
• No account or software installation required

Privacy & Security

Your JSON data is processed directly in your browser and is not uploaded or stored on our server.

Frequently Asked Questions

What is a JSON formatter?

A JSON formatter organizes JSON data with readable indentation and structure.

Can this tool validate JSON?

Yes. It can help identify whether the supplied JSON follows valid syntax.

Why format JSON?

Formatted JSON is easier to read, inspect, debug and maintain.

Can I use it with API responses?

Yes. JSON returned by APIs can be pasted into the tool for easier inspection.

Is my JSON data stored?

No. Your data is processed directly in your browser.