CSV to Excel Converter

Turn a CSV file into a proper Excel spreadsheet. Upload your CSV, choose XLSX as the output, and download the converted file directly.

Drop a file here or click to browse

Images, PDFs, text, CSV, JSON, audio — processed privately in your browser

How to convert

  1. 1Upload your CSV file using the tool above.
  2. 2Excel (XLSX) is selected automatically as the output format.
  3. 3Click Convert to build the spreadsheet.
  4. 4Download your XLSX file individually.

Supported formats

Input: CSV, TSV

Output: XLSX

Good to know

The first sheet is filled with the CSV rows. Values are read as text or numbers automatically. Other target formats like XLS, ODS or TXT are available from the spreadsheet converter page.

Frequently asked questions

Can I convert to XLS or ODS instead?+

Yes. Use the spreadsheet converter page and choose XLS, ODS or TXT as the output.

Are formulas supported?+

No. CSV stores values only, so the XLSX contains the raw values without formulas.

Is the conversion done locally?+

Yes. The CSV is parsed in your browser and the file does not leave your device.

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