XLSX to CSV Converter - Convert Excel to CSV Format Online Free

Free online XLSX to CSV converter. Convert Excel files (.xlsx, .xls) to CSV format instantly in your browser. No upload, 100% secure. Supports multiple sheets.

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Drag and drop file here, or click to select

Usage Instructions

Supported Formats

  • • Supports .xlsx and .xls files
  • • Auto-detect all worksheets
  • • Switch between worksheets

Features

  • • Supports drag and drop file upload
  • • Auto-convert to CSV format
  • • Preserve headers and data structure
  • • One-click download or copy results