What's the difference between formatting and validating JSON?

Formatting makes JSON more readable by adding proper indentation and line breaks. Validation checks if the JSON syntax is correct and follows the JSON specification. Our tool does both automatically.

Can this tool handle large JSON files?

Yes, our tool can handle JSON files up to several megabytes in size. For extremely large files (100MB+), performance may vary depending on your browser and device.

Is my JSON data safe?

Absolutely! All JSON formatting and validation happens entirely in your browser. Your data never leaves your device or gets sent to our servers.

JSON Formatter

Format and beautify JSON with syntax highlighting

Input JSON

About This Tool

Format, validate, and beautify JSON data with our free JSON formatter tool. Instantly transform minified JSON into readable, properly indented format. Detect and highlight syntax errors, validate JSON structure, and make working with JSON data effortless. Perfect for developers, API testing, and debugging.

Paste your JSON data into the input area
Click 'Format' to beautify the JSON
View syntax errors highlighted in red (if any)
Adjust indentation level if needed
Copy the formatted JSON to your clipboard

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