Convert XLSX to CSV

Upload your Excel spreadsheet (.xlsx, .xls) to convert it to CSV format. Supports multiple sheets — each sheet becomes a separate CSV file.

Drag & drop your XLSX/XLS file here

or click to browse — .xlsx, .xls up to 50 MB

Preview

Drag & drop your Excel spreadsheet or click to browse. Supports .xlsx and .xls files up to 50 MB.

Your file is parsed entirely in your browser using SheetJS — nothing is uploaded to any server.

Download your CSV file(s) instantly. Multi-sheet workbooks produce one CSV per sheet.