What is a JSON formatter?

A JSON formatter is a tool that takes unformatted JSON data and formats it with proper indentation and spacing to make it more readable and easier to work with.

How do I validate JSON?

To validate JSON, simply paste your JSON data into the input field. The tool will automatically check for syntax errors and display any validation issues.

Can I download formatted JSON?

Yes, you can download the formatted JSON as a file using the download button. The tool supports both formatted and minified JSON downloads.

JSON Formatter & Validator

Format, validate, and beautify your JSON data with our free online tool. Side-by-side comparison with syntax highlighting and error detection.

Indent:

Input JSON

Paste your unformatted JSON data here

Characters: 0Lines: 1

Formatted JSON

Validated and formatted JSON

Characters: 0Lines: 1

Real-time Validation

Instant JSON validation with detailed error messages and syntax highlighting.

Download & Copy

Download formatted JSON files or copy to clipboard with one click.

Customizable Formatting

Choose your preferred indentation size (2, 4, or 8 spaces) for consistent formatting.