CSV to Excel Converter — free
Convert CSV files to Excel (XLSX) format online for free.
How to use CSV to Excel Converter
Upload your CSV file
Click the blue 'Choose File' button in the center of the page. Select your CSV file from your computer. The file will immediately appear in the upload area showing the filename and file size.
Preview your data
Once uploaded, your CSV data displays in a preview table below the upload button. Review the columns, rows, and formatting to ensure all data imported correctly before converting.
Configure conversion settings
Select your delimiter (comma, semicolon, tab, or pipe) from the 'Delimiter' dropdown. Choose whether your first row contains headers by toggling the 'First row as headers' checkbox on or off.
Click Convert to Excel
Press the green 'Convert to Excel' button. The tool processes your file and generates an Excel XLSX file with all formatting preserved and proper column widths applied.
Download your Excel file
Click the 'Download XLSX' button that appears. Your converted file downloads automatically with the filename 'converted_data.xlsx' or your original filename with .xlsx extension.