JSON Formatter
Prettify and format your JSON data for better readability.
How to use
To use the JSON Formatter, simply paste your minified or unformatted JSON into the input area. The tool will automatically detect the data and apply standard indentation (usually 2 spaces) to make it readable. You can then copy the formatted result back to your project.
- Copy your minified JSON string from your source code or API response.
- Paste the JSON into the input field on this page.
- The tool will instantly format the JSON with proper indentation and syntax highlighting.
- Review the formatted data for any structural issues.
- Click the 'Copy' button to save the formatted JSON to your clipboard.
About JSON Formatter
JSON Formatter is an essential tool for developers working with web APIs and configuration files. It takes minified or messy JSON strings and transforms them into a beautifully indented, human-readable format. This makes debugging and data analysis significantly easier by providing a clear visual structure of the data hierarchy.
Like all tools on Ilustrado Labs, this utility runs entirely in your browser. This means your data is never sent to our servers, ensuring maximum privacy and security for your sensitive information.
Key Benefits
Examples
Minified JSON
{"name":"John","age":30,"city":"New York"}Formatted JSON
{
"name": "John",
"age": 30,
"city": "New York"
}Frequently Asked Questions
Is my JSON data sent to a server?
No. Our JSON Formatter runs entirely client-side using JavaScript. Your data never leaves your machine.
Does it support nested JSON objects?
Yes, it can handle deeply nested objects and arrays, providing clear indentation for each level.
Can it fix invalid JSON?
While it can't automatically fix syntax errors, it will highlight where the error is so you can correct it manually.