XLSX to CSV

Upload your XLSX or XLS file (max 5MB) and download it in CSV format.

About XLSX to CSV Conversion

This tool allows you to convert Excel files (XLSX/XLS) 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 5MB
  • Simple: Just upload and download - no complex settings
  • Wide Support: Works with both XLSX and XLS formats

How to Use

  1. Click the upload area or drag and drop your Excel 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

Excel File Requirements

  • Must be a valid XLSX or XLS file
  • File size must be under 5MB
  • Should contain at least one sheet with data
  • First sheet should contain the data you want to convert

Important Notes

When converting Excel 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

Need to convert in the other direction? Try our CSV to XLSX converter.