Document Tools
Convert spreadsheets and documents between formats without installing Office. Everything runs in your browser, so business files stay private.
2 free tools
Excel to CSVConvert Excel spreadsheets (.xlsx) to CSV online for free. Pick the sheet, choose comma or semicolon, and download. Dates and numbers are kept. No upload.CSV to ExcelConvert CSV files to Excel (.xlsx) online for free. Numbers stay numbers, accents display correctly, and columns are sized to fit. No upload needed.