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JSON Diff and Structural Comparison

Compare two JSON documents recursively and list added, removed, and changed paths. Processing stays in your browser.

Quick switch→JSON Formatter
JSONDiffComparison
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Use cases

  • Compare fields in two API responses
  • Review structural changes in configuration
  • Inspect data changes between versions

How to use

  1. Paste JSON A and JSON B
  2. Select Compare
  3. Review, copy, or export the differences

Example input and output

Input

JSON A: {"v":1} / JSON B: {"v":2,"new":true}

Output

$.v: 1 → 2 / + $.new: true

FAQ

Does it compare nested objects and arrays?

Yes. Values are compared recursively and differences are listed with object paths and array indexes.

What happens if either JSON document is invalid?

The comparison stops and displays a parsing error so you can correct the input first.

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