Spreadsheets

CSV to XLSX

Convert CSV data into Excel.

Processed on your device — files are never uploadedFree foreverPrivate — runs in your browser

Files stay on your device.

Drop a .csv file here

Supported formats listed below

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How to use CSV to XLSX

Is CSV to XLSX free?+

Yes. CSV to XLSX is free to use in your browser with no account required.

Are my files uploaded?+

No. Processing happens on your device. Your files stay private.

Which formats are supported?+

Supported formats for this tool: csv.

Do I need to install anything?+

No installation. Open CSV to XLSX in a modern browser and start.

Preview spreadsheet sheets in your browser.

Edit CSV tables in a simple grid.

Preview spreadsheet sheets in your browser.

Export Excel sheets as CSV.

Count words, characters, lines, and sentences instantly. Convert case with one click.