Free JSON Merger

Merge two JSON objects into one.

First JSON Object Second JSON Object

How This Tool Works

This tool parses both JSON objects and merges them into one. If keys conflict, the second object's value wins. Everything runs in your browser.

Frequently Asked Questions

What happens if keys conflict?

The second object's value overwrites the first. For example, if both have "age", the second object's age is used.

Is my data stored?

No. All processing is local in your browser.