Excel Tools

Upload Excel (.xlsx/.xls/.ods) or CSV files and convert to JSON, CSV, XML, or HTML; export JSON or CSV data to a downloadable .xlsx file — fully client-side using SheetJS.

Drop an Excel or CSV file here
Supports .xlsx, .xls, .ods, .csv — processed entirely in your browser

Excel Tools

Upload Excel (.xlsx/.xls/.ods) or CSV files and convert to JSON, CSV, XML, or HTML; export JSON or CSV data to a downloadable .xlsx file — fully client-side using SheetJS.

Common uses

  • Convert an Excel report to JSON
  • Export a JSON data array to a .xlsx file
  • Read a multi-sheet workbook and get CSV

Frequently asked questions

Can I use Excel Tools to convert an Excel report to JSON?

Yes. Excel Tools can convert an Excel report to JSON, directly in your browser.

Can I use Excel Tools to export a JSON data array to a .xlsx file?

Yes. Excel Tools can export a JSON data array to a .xlsx file, directly in your browser.

Can I use Excel Tools to read a multi-sheet workbook and get CSV?

Yes. Excel Tools can read a multi-sheet workbook and get CSV, directly in your browser.

Is my data uploaded to a server?

No. This tool runs entirely in your browser — your input is processed locally on your device and is never uploaded or stored on a server.