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JSON Diff

JSON Diff

Compare two JSON documents and see added, removed and changed keys.

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About this tool

Paste two JSON documents side by side to see exactly which keys were added, removed or changed between them, including nested objects and arrays. Useful for comparing API responses, config versions or test fixtures.

Examples

  • {"a":1} vs {"a":2,"b":3} → "a" changed from 1 to 2, "b" added as 3.

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