Automatically fix broken or invalid JSON data with our free online JSON fixer tool. Detect and correct syntax errors to ensure your JSON is properly formatted and usable.
JSON Input
JSON Output
Our JSON Validator helps you quickly detect syntax errors, ensures your JSON is well-structured, and provides instant feedback for faster debugging.
Simply paste your JSON code into the input box and click the "Validate" button. The tool will highlight any errors and show a success message if your JSON is valid.
JSON (JavaScript Object Notation) is a lightweight data format used for storing and transporting data, commonly used in web APIs and configuration files.