JSON formatter
Validate and pretty-print JSON, or compress it onto one line.
DeveloperSort JSON keys
Sort object keys recursively while preserving array order.
Input
Result
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How to use sort json keys
Set JSON. Select Run tool, then review the result. Use the download or copy controls to keep it. Reset restores the starting settings and clears the result.
JavaScript serializes integer-like object keys in numeric order. Other keys are sorted lexicographically.
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