FileMode
⌘/Ctrl K

XLSX to JSON

Choose a worksheet from an XLSX workbook and convert its rows to readable JSON locally in your browser.

Drop a file here

Preparing XLSX to JSON workspace…

Processed locally. Your files never leave your device.

What XLSX to JSON does

Represent one XLSX worksheet as an array of JSON row objects.

Input
XLSX
Output
JSON
  • Worksheet headers become object keys; blank and duplicate headers receive normalized names.

How to use XLSX to JSON

  1. Load the workbook and select the worksheet to export.
  2. Inspect the worksheet and JSON preview, then copy or download JSON.

When to use it

Use a spreadsheet-maintained lookup table in a JSON-based application.

Important limitations

  • This exports values, not spreadsheet layout. Formulas are not recalculated and rely on available cached values; number formats and date display formatting are not preserved.

CSV to JSON

Convert delimited CSV data to formatted JSON.

Output: JSON

XLSX to CSV

Convert an Excel worksheet to CSV.

Output: CSV

JSON to XLSX

Convert tabular JSON data to an Excel XLSX workbook.

Output: XLSX