JSON Validator

Check whether JSON is valid.

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How it works

  1. Paste JSON into the editor.
  2. Click Validate to check syntax.
  3. Fix any reported line and column errors.

Features

  • Line and column error locations
  • Pretty-printed view on success
  • Runs entirely in your browser
  • No signup required

FAQ

Is my JSON uploaded?

No. Validation runs entirely in your browser using native JavaScript.

Does this check JSON Schema?

This tool checks JSON syntax only. Use the JSON Schema Validator for schema checks.

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