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JSON Formatter & Validator
Format, validate, and pretty-print JSON data.
How to Use the JSON Formatter & Validator
- Paste your JSON data into the input field.
- Click Format / Validate to pretty-print and check validity.
- Use Minify to compress JSON to a single line.
Formula & Method
Parses the input string with JSON.parse() and then outputs with JSON.stringify(obj, null, 2) for pretty-printing or JSON.stringify(obj) for minification.
Examples
Try different values to see how this calculator handles various real-world scenarios.
Frequently Asked Questions
What is JSON?
JavaScript Object Notation is a lightweight data interchange format.
Why format JSON?
Formatted JSON is easier to read, debug, and validate.
Can I validate JSON?
Yes, the Format button also validates and shows errors if invalid.
People Also Ask
How accurate is this calculator?
Our calculators use standard mathematical formulas and provide accurate results.
Can I use this on my phone?
Yes, all tools are fully responsive and work on any device.