Online JSON Formatter, Validator & Beautifier

JSON Formatter, Validator & Beautifier

๐ŸŽฏ JSON Formatter & Validator

Clean up, validate, and beautify your JSON data instantly with our free, user-friendly tool. Make your code readable, error-free, and easy to share.

๐Ÿ“ Input JSON
โœ… Formatted Output

What is JSON? Why Format & Validate It?

JSON (JavaScript Object Notation) is a lightweight, text-based format for storing and exchanging data. Itโ€™s widely used in web development, APIs, and configuration files because itโ€™s easy for both humans and machines to read and write. A properly formatted JSON document is crucial for:

  • Making data easy to understand and debug
  • Ensuring error-free integration with APIs and web apps
  • Collaborating efficiently with other developers or teams
  • Sharing structured data for use in tools, scripts, and automation

Example of valid JSON:

{ โ€œnameโ€: โ€œMiniTweakโ€, โ€œtypeโ€: โ€œtoolโ€, โ€œfeaturesโ€: [โ€œformatโ€, โ€œvalidateโ€, โ€œcopyโ€], โ€œsettingsโ€: { โ€œthemeโ€: โ€œdarkโ€, โ€œautoSaveโ€: true, โ€œversionโ€: 1.2 } }

Expert Tips for JSON Formatting

  • Avoid trailing commas after the last item in arrays or objects.
  • Wrap all property names in double quotes.
  • Make sure all brackets and braces are properly closed.
  • Use online formatters for large or complex files to spot errors quickly.
  • Check for unexpected tokens (often caused by missing commas or quotes).

Formatting JSON helps you avoid common errors and ensures compatibility with all modern software.

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