JSON Compare (Diff)
Deep-diff two JSON documents: added, removed, and changed paths with old → new values.
Inputs
Results
// 1 added · 1 removed · 2 changed
- age
+ city
~ id (1 → 2)
~ name ("Ada" → "Ada Lovelace")About this tool
Paste two JSON documents to get a deep diff: added, removed, and changed paths with old → new values, plus a summary count. Compares locally.
How to use
- 1Paste the original document into JSON A (original).
- 2Paste the modified document into JSON B (modified).
- 3Read the summary header — added · removed · changed counts — then the sorted path lines.
- 4Copy the diff or download it as json-diff.txt for a changelog or review comment.
Frequently asked questions
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