JSON Diff Checker

Compare two JSON objects side-by-side and instantly see the differences highlighted by field.

Original JSON

Modified JSON

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💡 Quick Tips

Paste two JSON objects to compare them field-by-field.
Added fields appear in green, removed in red, and changed in amber.
Nested objects are flattened into dot-notation paths for easy comparison.
Use "Swap" to quickly flip original and modified inputs.