Merge.
Merge multiple JSON objects with conflict resolution options.
First JSON
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Maximum input: 50 KiB. Files stay in this browser.
Second JSON
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Maximum input: 50 KiB. Files stay in this browser.
JSON objects only. The second input wins on conflicts; arrays are replaced, not concatenated. Deep merge recursively combines objects.
About Merge
The JSON Merge tool helps you combine multiple JSON objects:
- Merge multiple JSON objects
- Handle conflicts with different strategies
- Deep merge nested structures
- Preserve or override values
- Generate merged result