JSON Formatter
Format, validate and beautify your JSON data with syntax highlighting.
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How to Use
Paste JSON
Paste your JSON data into the input field.
Format or minify
Click Format to beautify or Minify to compress your JSON.
Copy result
Copy the formatted JSON to use in your project.
Features
Frequently Asked Questions
JSON formatting (beautifying) adds proper indentation and line breaks to make JSON data human-readable. It's essential for debugging APIs and configuration files.
Paste your JSON in the input field. The tool automatically validates it and shows any syntax errors with line numbers.
Clean, well-formatted JSON is essential for debugging APIs and understanding data structures. Our JSON formatter instantly beautifies minified code, validates syntax, and helps you spot errors that could cause production issues. Trusted by developers at startups and Fortune 500 companies alike.
Did You Know?
JSON was derived from JavaScript but is language-independent. Douglas Crockford popularized it in the early 2000s, and it's now used by 99% of REST APIs!
- Use 2 spaces for indentation - it's the JavaScript community standard
- Validate JSON before sending to APIs to avoid 400 Bad Request errors
- JSON keys are case-sensitive: 'Name' and 'name' are different keys
- Arrays in JSON start at index 0, not 1
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