excel · browser

CSV → Excel

Convert CSV data into a real XLSX workbook in your browser.

Workspace Files stay on your device

A little guidance. A better result.

How to use CSV → Excel

Convert CSV data into an XLSX workbook.

Prepare your input
Choose a CSV with consistent columns.
Use the workspace
Convert the data into an XLSX workbook.
Check your result
Open the workbook and check headers, dates and leading zeros.

Know the limits

A CSV has no original workbook styling or formulas to restore. Check type-sensitive identifiers after conversion.

Where does my input go?

This browser tool processes your input on your device. Optional analytics is a separate choice; it is not needed to use the tool. Keep your original until you have checked the result.

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