Excel to JSON Converter — XLSX to JSON Online
Upload Excel .xlsx files and convert any sheet to pretty JSON. ExcelJS runs in your browser — files never leave your device.
Your data never leaves your browser
Excel file
Upload an Excel .xlsx file to convert to JSON.
JSON output
About this tool
XLSX→JSONSheet pickerPrivateDownload
How to use
- Upload an .xlsx workbook.
- Select the sheet to convert.
- Copy or download JSON output.