Is the Excel to JSON converter free?

Yes, completely free. No account, no limits, and no file upload required.

Is my Excel data secure?

Yes. The conversion happens entirely in your browser. Your file is never uploaded to any server.

Yes. You can select which sheet to convert, or convert all sheets into a combined JSON output.

XLSX (Excel 2007+), XLS (Excel 97-2003), and CSV files are all supported.