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JSON Formatter

Format, validate, and beautify JSON data with syntax highlighting.

What is JSON Formatter?

JSON Formatter is a free online tool that validates, formats, and beautifies JSON data instantly. No registration required — paste your JSON and get formatted output in one click.

How to use JSON Formatter?

  1. Paste your JSON code into the input field
  2. Select indentation: 2 or 4 spaces
  3. Click "Format" to validate and beautify
  4. Use "Minify" to compress JSON for production
  5. Click "Copy" to copy the result

Is this JSON Formatter free?

Yes, completely free with no registration, no API limits, and no data storage. Your JSON never leaves your browser.