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JSON Formatter vs Validator

Formatting makes JSON readable; validation checks if it is syntactically correct. You often need both.

Open JSON Formatter

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Formatter

Adds indentation and line breaks. Use after you have valid JSON.

Validator

Finds syntax errors missing commas, bad quotes, trailing commas in strict parsers.

How to do it

  1. Paste JSON into the validator first.
  2. Fix any errors reported.
  3. Format for readability.

Frequently Asked Questions

Can invalid JSON be formatted?
No fix validation errors first.

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