| Upload an Excel/CSV file to see the data. |
Define the new JSON key. Use dots for nesting (e.g.,
user.name)
or brackets for arrays (e.g.,
items[].id).
| Original Header | Mapped JSON Key | Data Type | Transform Rule (Find=Replace|...) | Action |
|---|---|---|---|---|
| Column mapping will appear here. | ||||
Click 'Generate JSON' to see the output.