Format messy JSON, validate syntax, and minify for production. Perfect for API responses, config files, and developer workflows. All processing runs in your browser—your data stays private.
Tip: Paste your JSON and click Format to beautify it, or Validate to check for errors. Use Minify to compress JSON for production use.
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Paste your JSON into the input field and click 'Format JSON'. The tool will automatically format it with proper indentation. You can adjust the indentation level (2 or 4 spaces) before formatting.
Simply paste your JSON into the input field and click 'Validate JSON'. The tool will check if your JSON is valid and show any syntax errors. Valid JSON will show a green checkmark, invalid JSON will display the error message.
Yes! Click the 'Minify JSON' button to remove all whitespace and compress your JSON into a single line. This is useful for reducing file size in production environments.
Yes! Our JSON formatter is 100% free with no registration required, no usage limits, and no hidden fees. You can format, validate, and minify as much JSON as you need.
No, all JSON processing happens locally in your browser. We don't store, save, or have access to any JSON data you format or validate. Your privacy is completely protected.
The tool supports all standard JSON features including objects, arrays, strings, numbers, booleans, and null values. It validates syntax, formats with customizable indentation, and can minify JSON for production use.