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JSON Validator Online
Check whether JSON is valid and see parse errors.
Runs in your browserNo upload requiredNo signup required
JSON validator
Paste JSON and check whether it parses correctly.
Workflow
- 1Paste JSON into the input box.
- 2Click Validate JSON.
- 3Review the valid or invalid status.
- 4Fix any parse error and validate again.
FAQ
Does this JSON validator upload my data?
No. Validation runs directly in your browser.
Does it format JSON too?
This page validates JSON. Use JSON Formatter when you also want pretty formatting.
What does invalid JSON mean?
It means the text cannot be parsed as JSON, often because of missing quotes, commas, braces, or brackets.