Excel to CSV Converter

Convert Excel files (XLSX) to CSV format quickly and easily in your browser

About Excel to CSV Converter

Overview

Excel to CSV Converter transforms your Microsoft Excel files (XLSX or XLS) into comma-separated values (CSV) format. This tool is perfect for users who need to convert Excel spreadsheets into CSV format for data import, analysis, or compatibility with other applications that require plain text data formats.

Features

  • Convert Excel XLSX and XLS files to CSV format
  • Support for multiple sheets - choose which sheet to convert
  • Support for large files up to 100MB
  • Completely browser-based - no server uploads
  • Preserves data structure and values
  • Instant download of converted files

How to Use

  1. Upload your Excel file by dragging and dropping it or clicking the upload button
  2. Select which sheet to convert if your Excel file has multiple sheets
  3. Click "CONVERT TO CSV" to process the file
  4. Download the converted CSV file

FAQ

Which Excel formats are supported?

The tool supports both modern XLSX files (Excel 2007 and later) and legacy XLS files (Excel 97-2003). Both formats are automatically detected and processed. The converter works with standard Excel workbooks containing one or more worksheets.

What happens if my Excel file has multiple sheets?

If your Excel file contains multiple sheets, you can select which sheet you want to convert to CSV using the sheet selector dropdown. Only the selected sheet will be converted. If you need multiple sheets, you would need to convert them one at a time.

Will formulas be converted?

Formulas in Excel cells are converted to their calculated values in the CSV output. The CSV format is plain text and does not support formulas, so only the final calculated results are included in the converted file.

Is there a file size limit?

Yes, the tool supports files up to 100MB in size. For very large files with many rows and columns, the conversion may take a few moments depending on your device performance. All processing happens in your browser, so your data never leaves your computer.