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JSON Validator

Validate JSON and pinpoint syntax errors.

Runs entirely in your browser. Your data is never uploaded.

About JSON Validator

JSON Validator checks whether your JSON is well-formed and reports the exact error message and position when it is not, so you can fix malformed data quickly.

How to use

  1. 1Paste your JSON.
  2. 2See instantly whether it is valid.
  3. 3Fix any reported errors.

Frequently asked questions

Does it check schema?

It validates JSON syntax, not against a JSON Schema.

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