JSON diff

JSON Compare Online

Compare source and target JSON structurally, filter changed paths, inspect differences in a list, and highlight changes in a visual tree.

Key features

  • Compare objects, arrays, and primitive JSON values.
  • Filter added, removed, changed, and type-changed paths.
  • Search diff results by path or preview.
  • Copy a summary or export a JSON diff report.

Practical use cases

  • Compare two JSON values
  • Review changed paths
  • Inspect type changes
  • Export diff reports

Frequently asked questions

Does JSON Compare check formatting?

No. It compares parsed JSON values structurally instead of whitespace or key formatting.

Can arrays be compared?

Yes. Array items are compared by index and reported with JSON paths.

Can I export the diff?

Yes. You can export a structured JSON diff report from the browser.