Convert CSV to Excel (XLSX) Online

A CSV has no formatting or formulas. Converting it to XLSX lets you open it directly in Excel with properly sized columns, ready for your calculations and charts.

  • Opens directly in Excel, Google Sheets, or LibreOffice
  • A ready base for adding formulas, filters, and charts
  • Preserves every row and column from the source CSV
Drag your files here or click to browse
    1. Drop your CSV file into the upload area, or click to select it.
    2. XLSX is already pre-selected as the output format.
    3. Click Convert to start processing.
    4. Download your XLSX file as soon as it’s ready.