Excel to JSON Converter

1. Add your data

Upload an .xlsx workbook

Maximum input: 10 MiB. Processing takes place on the server. Temporary workspaces are deleted after each response; abandoned workspaces are removed by recovery cleanup after six hours.

First row contains headers Worksheet Cell range (optional) Export displayed text Use existing formula results (may be stale) Exclude hidden rows and columns Preserve blank rows

2. Configure and preview

Output and data options

Treat empty text fields as null Pretty-print output

Text values stay text by default. After preview, select, rename, order, or explicitly type columns. Dates use yyyy-MM-dd; timestamps require an ISO 8601 offset. Nested collections remain JSON text in a cell.

1. Add your data

2. Configure and preview

3. Preview