{ }

JSON Formatter & Validator

Format, beautify, and validate JSON data online for free. Make your JSON readable with proper indentation. Detect syntax errors instantly.

What This Tool Does

Format, beautify, and validate JSON data online for free. Make your JSON readable with proper indentation. Detect syntax errors instantly. This tool runs entirely in your browser, meaning your files are never uploaded to any server. Your data stays private and secure on your own device.

Simply upload your file, wait for the processing to complete, and download the result. It's fast, free, and works on any device with a modern web browser.

Frequently Asked Questions

What does this JSON formatter do?
It takes minified or messy JSON and formats it with proper indentation, making it easy to read and debug. You can also minify formatted JSON.
Does it validate my JSON?
Yes, the formatter automatically detects and displays syntax errors in your JSON data, showing you exactly where the problem is.
Is my data secure?
Absolutely. All processing happens locally in your browser. Your JSON data is never sent to any server.
Can I minify JSON too?
Yes! Click the Minify button to compress your JSON by removing all whitespace, perfect for reducing file size.
What indentation options are available?
You can choose between 2 spaces, 4 spaces, or tabs for indentation based on your preference.

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