JSON Merge

Merge two JSON objects into one with deep merge. Configure conflict resolution priority.

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On conflict, keep:
{
  "name": "App Config",
  "database": {
    "host": "localhost",
    "port": 3306,
    "name": "mydb"
  },
  "features": [
    "auth",
    "logging",
    "caching"
  ],
  "version": "2.0"
}

How to Use

  1. Paste your first JSON in the left panel.
  2. Paste your second JSON in the right panel.
  3. Choose which side wins on conflicts.
  4. Copy the merged result.
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