JSON Validator & Formatter
Validate and format JSON data with syntax highlighting
About
This JSON validator and formatter helps you validate, format, and beautify your JSON data. It provides syntax highlighting, error messages for invalid JSON, and multiple formatting options. Ideal for debugging JSON responses, cleaning up messy JSON, and ensuring your JSON is valid. ### How to Use 1. Enter or paste your data in the input field. 2. Adjust any available settings or options. 3. Click the action button to process. 4. Copy or download the result.
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Examples
Input
{"name":"John","age":30}Output
{
"name": "John",
"age": 30
}Basic JSON formatting
JSON validation
FAQ
What happens if my JSON is invalid?
The tool will highlight the error and provide a descriptive message to help you fix it.
Can I minify JSON with this tool?
Yes, you can both format (beautify) and minify JSON using this tool.
Is the data processed locally?
Yes, all processing happens in your browser, so your data never leaves your computer.
Is this tool free?
Yes, this tool is completely free to use.
Is my data secure?
Yes, all processing is done in your browser. Your data is not sent to any server.