Deep merge JSON
Deep merge JSON — Enter two JSON values. Objects merge recursively; B wins conflicts and replaces arrays.. Processed on your device.
Input
Example only; use “Try an example” to fill it in.
Enter two JSON values. Objects merge recursively; B wins conflicts and replaces arrays.
Result —
Processed on your device · Free to use · No sign-up
Example input and output
Input
{"user":{"name":"Alice"},"tags":[1]}Result
{
"user": {
"name": "Alice",
"active": true
},
"tags": [
2
]
}How to use
- Enter or paste your content, or try the example.
- Run the tool and review the output.
- Copy your result or explore a related tool below.
Input format & limitations
Deep merge JSON — Enter two JSON values. Objects merge recursively; B wins conflicts and replaces arrays.. Processed on your device.
Frequently asked questions
Do I need to upload data or sign up?
Local tools do not send input. IP and DNS lookups send the query and connection IP to the listed third parties only after a click.