XLS to CSV

Upload your XLS file (max 10MB) and download it in CSV format.

About XLS to CSV Conversion

This tool allows you to convert Excel 97-2003 (XLS) files to CSV (Comma-Separated Values) format quickly and easily. The conversion is done entirely in your browser - no files are uploaded to any server.

Features

  • Local Processing: All conversion happens in your browser
  • Privacy: No data is sent to any server
  • Fast: Instant conversion for files up to 10MB
  • Simple: Just upload and download - no complex settings
  • Legacy Support: Works with Excel 97-2003 XLS format

How to Use

  1. Click the upload area or drag and drop your XLS file
  2. Wait for the file to be processed
  3. Click the "Download CSV" button when it appears
  4. Find your converted file in your downloads folder

XLS File Requirements

  • Must be a valid XLS file (Excel 97-2003 format)
  • File size must be under 10MB
  • Should contain at least one sheet with data
  • First sheet should contain the data you want to convert

Important Notes

When converting XLS files to CSV format, please be aware of the following:

  • Only the first sheet of the workbook will be converted
  • Formulas will be converted to their calculated values
  • Formatting, colors, and other Excel-specific features will be lost
  • All data will be comma-separated in the output file

Have a newer Excel file? Try our XLSX to CSV converter instead.