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JSON Validator
Check JSON syntax before using it in an API request, import or configuration file.
Open JSON Validator →When to use this tool
Use JSON Validator for debugging a request or a configuration file that will not load.
How it works
Paste JSON, run validation and correct any reported syntax error. Your content stays on your device whenever the tool supports local processing.
Frequently asked question
Can it repair JSON?
It reports validation status. Use the JSON Formatter after correcting syntax.