Convert CSV to Excel - Free CSV to XLSX Converter Online

Convert CSV files to Excel (.xlsx) format instantly. Free CSV to Excel converter. Preserves data. No software needed. 100% private.

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CSV to Excel

Convert CSV files to Excel (.xlsx) format with proper formatting.

How to CSV to Excel

  1. 1Upload your CSV file
  2. 2File is automatically converted to Excel format
  3. 3Download your .xlsx file ready for Excel

Why Use This Tool?

  • Excel Format - Create .xlsx files that open in Excel and Google Sheets
  • Preserves Data - All values converted accurately with proper types
  • No Excel Needed - Works in any browser
  • Private & Secure - Files never uploaded to servers
  • Instant Conversion - CSV to Excel in seconds

Frequently Asked Questions

Why convert CSV to Excel?

Excel files (.xlsx) support formatting, formulas, multiple sheets, and are more user-friendly. Converting CSV to Excel allows you to use advanced features and share files that open seamlessly in Excel or Google Sheets.

Can I add formatting after conversion?

Yes! The conversion creates a basic Excel file with your data. After downloading, open it in Excel or Google Sheets to add colors, formulas, charts, and other formatting.

Will my data types be preserved?

The tool preserves numbers as numbers and text as text. Dates in standard formats are recognized. You can adjust formatting in Excel after conversion.

Is this really free?

Yes! Completely free with no limits. All processing happens in your browser, so there are no server costs.