📊 JSON Comparison Tool
Compare two JSON objects side by side with git-style diff visualization.
About this tool
The JSON Diff tool compares two JSON documents and highlights differences. It is useful for debugging API changes, configuration drift, and data migrations.
How to use
- Paste the original JSON in the left pane and the new JSON in the right pane.
- Click Compare to see additions, removals, and changed values.
Processing happens locally in your browser; nothing is sent externally.
Example
Original JSON:
{"version":1,"items":[{"id":1,"name":"A"}]}
Modified JSON:
{"version":2,"items":[{"id":1,"name":"A"},{"id":2,"name":"B"}]}
Result: One item added (id:2) and version changed from 1 → 2.