How to use XLSX to JSON
- Choose an .xlsx file.
- The first sheet is converted automatically.
- Copy or download the JSON.
Private spreadsheet conversion
This tool reads your workbook with SheetJS entirely in the browser and converts the first worksheet to JSON. Your spreadsheet is never uploaded.
- Which sheet is converted?
- The first worksheet in the workbook.
- Are my files uploaded?
- No. Everything is processed locally in your browser, so your files never leave your device.