A JSON Validator checks whether a JSON document follows the correct JSON syntax and structure. It detects syntax errors such as missing commas, incorrect quotation marks, unmatched brackets, invalid values, or improperly formatted strings, helping you identify problems before using the JSON in an application or API.

Simply paste or type your JSON into the validator and run the validation. The tool analyzes your input and checks whether it follows the JSON syntax rules. If an error is detected, you can use the information provided to locate the problem, correct it, and validate your JSON again.

Common JSON syntax errors include missing or extra commas, mismatched brackets, missing quotation marks, unquoted property names, trailing commas, and invalid values. Because JSON follows strict syntax rules, even a small mistake can make an entire JSON document invalid.

If your JSON contains a syntax error, the validator identifies the input as invalid and provides information about the problem. Check the indicated location, correct the syntax, and run the validation again. Once all syntax errors have been fixed, the validator will confirm that your JSON is valid.

No. CodeLiqo’s JSON Validator processes your input directly in your browser. Your JSON does not need to be uploaded to a remote server for validation, allowing you to check your data while keeping the content on your device.