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JSON Validator

Check whether JSON is valid and get the exact error location if it isn't.

Your data is processed locally in your browser.

How to Use

  1. 1Paste your JSON.
  2. 2Click Validate.
  3. 3Fix the reported line/column if invalid.

Features

  • Instant validity check
  • Line and column error reporting
  • No file size uploaded anywhere

FAQ

JSON Validator FAQs

This tool focuses purely on validation; the JSON Formatter also pretty-prints and minifies.

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