JSON Validator

Check whether your JSON data is valid. This tool instantly verifies if your JSON structure is correctly formatted and helps detect syntax errors when working with APIs or configuration files. 











What is JSON validation?




JSON validation checks whether a JSON string follows the correct syntax rules.
If the JSON structure is invalid, applications and APIs may fail to process the data.





How to use this tool



    


  1. Paste your JSON data into the input box.
    2. 


  2. Click the "Validate JSON" button.
    3. 


  3. The tool will indicate whether the JSON is valid or invalid.
    4. 






Example



Valid JSON



{"name":"Luis","age":45}



Invalid JSON



{name:"Luis",age:45}




Tip




Validating JSON is useful when debugging APIs or checking configuration files.
Even small syntax mistakes such as missing quotes or commas can break JSON parsing.







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