JSON Compare
Compare two JSON documents online for free. Find added, removed, and changed properties by structure.
Comparison runs locally in your browser and never uploads your JSON.
How to use
- Paste JSON A and JSON B into the editors.
- Click Compare.
- Review added, removed, and changed differences.
Example
JSON A vs JSON B
A: {"name":"John","age":25}
B: {"name":"Jane","age":25,"city":"NYC"}Output
Changed: name Added: city
FAQ
Is comparison text-based or structural?
Comparison is structural. Objects are compared by keys and values, not raw text formatting.