Free spreadsheet tool · runs in your browser

CSV to Excel

Turn a comma-separated file into an .xlsx workbook. Nothing is uploaded to a server.

  1. 01Upload CSV

    Drop one .csv file from a lead export or spreadsheet.

  2. 02Download Excel

    Convert in the browser and save an .xlsx file.

Drag & drop files

or click to browse · .csv only

What this tool does

  • 01
    CSV in, XLSX out. Open the result in Excel, Google Sheets, or Numbers.
  • 02
    Private by default. Conversion stays on this device.