Convert XLSX to CSV Online

Upload an Excel workbook and select CSV as the output. Converter processes the file online and gives you a simple table for imports and data analysis.

Choose a file to convert

How to convert xlsx to csv

  1. Upload a .xlsx file.
  2. Choose CSV and start the conversion.
  3. Download the CSV result.

Example

Upload workbook.xlsx and download workbook.csv.

When to use this conversion

  • Export the first worksheet for a system that imports CSV.
  • Review table data in a plain-text format.
  • Move workbook rows into a data-analysis workflow.

Best practices

  • Only the first worksheet is exported to CSV.
  • CSV does not preserve workbook formatting, formulas, charts, or multiple sheets.
  • Check dates, delimiters, and special characters in the exported CSV.