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JSON Diff

Generate sample JSONSimple
Left JSON
Right JSON

FAQ

Is this a text diff or semantic diff?

jsonfather parses both sides first, then compares JSON values by path so whitespace does not create noise.

Can I compare API responses?

Yes. Paste old and new responses to see changed fields, added array entries, and removed properties.

Does diff data leave my browser?

No. Both sides are parsed and compared locally in the browser.

JSON ValidatorCheck JSON syntax and locate parse errors.JSON ViewerExplore JSON as a searchable tree.JSON MinifierCompress JSON into a compact valid payload.JSON Schema GeneratorCreate a starter schema from sample JSON.JSONPath TesterRun JSONPath queries against local JSON.