JSON Validator

Validate JSON and surface parse errors clearly.

JSON Validator checks whether text is valid JSON and reports parse failures without focusing on pretty-print layout.

Input
Output

When to use JSON Validator

  • Confirming payloads before sending
  • Debugging broken config paste-ins
  • Teaching strict JSON rules

Example

{"ok":true,"count":2}

Benefits

  • Free to use—no account required
  • Runs in your browser
  • Instant results with no software install
  • Basic processing does not upload your content to a server
  • Success means valid syntax—not that the schema matches your app’s expectations.

Not the same as

For indented viewing after it validates, open JSON Formatter.

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