Is this CSV to Excel converter free?

Yes, it is completely free and runs entirely in your browser.

Is my CSV data sent to a server?

No. All processing happens locally in your browser; no files are uploaded externally.

You can choose to download your data as a modern .xlsx file or a legacy .xls file for maximum compatibility.

You can select whether the first row of your CSV should become the header row in the Excel sheet.

Yes, the CSV data is displayed in a preview table, allowing you to verify it before creating the Excel file.

CSV To Excel Converter

Upload a CSV file, preview it and convert to Excel (XLS / XLSX)

📂 Upload CSV

No file uploaded yet. Upload a CSV to preview its content here.

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Excel Output Preview

Download the converted file as .xls or .xlsx