JSON Formatter
Format & validate JSON instantly
How to Use
Paste your JSON
Enter minified or messy JSON in the input area.
Set indent size
Choose 2 or 4 spaces for indentation.
Format
Click Format to beautify with proper indentation.
Copy result
Copy the formatted JSON for use in your code.
Frequently Asked Questions
What does this JSON formatter do?
It takes minified or poorly formatted JSON and adds proper indentation and line breaks, making it easy to read and understand the data structure.
Will this fix invalid JSON?
No, this formatter requires valid JSON input. It will show syntax errors if your JSON is malformed, helping you identify and fix issues.
What indent size should I use?
2 spaces is most common for JSON. 4 spaces is also popular. Tab indentation is less common but supported.
Can I sort JSON keys?
Yes, enable the "Sort Keys" option to alphabetically sort object keys, making it easier to compare JSON objects.
Is my JSON data private?
Yes, all formatting happens locally in your browser. Your data never leaves your device.