JSON Compare & Diff
Paste two JSON documents to see exactly what changed — added, removed, and updated values, by path. Comparison runs in your browser.
Runs entirely in your browser — your data never leaves your device.
Frequently asked questions
- How does the JSON compare work?
- We parse both documents and compute a structural diff, listing created, removed, and updated values by their path.
- Does key order affect the diff?
- No. The diff is structural, so reordered keys are treated as equal.