CSV to XLSX Converter - Convert CSV to Excel Online Free

Free CSV to Excel converter online. Convert CSV files to XLSX format instantly. Supports file upload and direct paste. No installation required.

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Drag and drop file here, or click to select

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Usage Instructions

CSV Format Requirements

  • • Must be valid CSV format
  • • First row as headers
  • • Supports Chinese content
  • • Supports comma-separated data

Features

  • • Supports drag & drop CSV files
  • • Real-time CSV format validation
  • • Custom worksheet name
  • • One-click convert and download Excel