Convert Excel (XLSX) to CSV

Upload your files and download them converted in seconds.

How to convert XLSX to CSV

This tool converts XLSX files to CSV right in your browser. There's nothing to install and no account to create: upload the file, pick CSV and download it.

  1. Upload your XLSX file: drag it onto the upload area or click “Choose files”.

  2. Check that the target format is CSV and click “Convert”.

  3. Download your CSV file as soon as it's ready.

What changes when you convert XLSX to CSV

  • CSV keeps the calculated values, not the formulas.
  • CSV holds a single sheet: the first sheet of the XLSX file is converted.
Comparison of XLSX and CSV
FeatureXLSXCSV
Multiple sheetsYesNo
FormulasYesNo
EditableYesYes

About the formats

XLSX

XLSX is Microsoft Excel's spreadsheet format since 2007. It stores data, formulas, charts and multiple sheets in one file.

CSV

CSV stores tabular data with values separated by commas. It's the simplest format for moving data between apps.

Frequently asked questions

Is it free to convert XLSX to CSV?

Yes. Conversion is free, you don't need an account and the result has no watermark. You can upload files of up to 50 MB.

Do I lose quality converting XLSX to CSV?

All the text is kept, but CSV doesn't store images or formatting (fonts, colours or styled tables).

Is it safe to upload my files?

Your files are only used for the conversion and are deleted automatically after 60 minutes. They're never shared with anyone.

Can I convert several XLSX files at once?

Yes. You can upload up to 20 files at once and convert them all with “Convert all”.

Does it work on mobile, Mac and Windows?

Yes. It works in any modern browser, on desktop and mobile, with nothing to install.