📋 Instructions: How to Use?

  1. Paste your messy or unformatted JSON code into the 'Input JSON' box.
  2. Press the big 'Format / Validate' button.
  3. If your JSON is valid, the beautifully formatted code will appear in the 'Output' box.
  4. If it's invalid, an error message will appear above, and the output box will show the error details.
  5. You can copy the code with 'Copy Output' or clear both boxes with 'Clear'.

JSON Formatter & Validator

Copy and paste your messy JSON code to format, validate, and pretty-print it.

Want to Learn How This Works?

This tool is built with JavaScript! To learn how to build tools like this, check out the free, 15,000-word guides on CodeWithMSMAXPRO.me.

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