Convert XLSX to CSV Online
XLSX is the spreadsheet format of Microsoft Excel since 2007: sheets, formulas and formatting in one file. Upload your XLSX files, click "Convert" and download the result as CSV. CSV is understood by databases, online services and programming languages, so it is ideal for importing data.
The conversion runs on our server and takes a few seconds. Files are sent over an encrypted connection and deleted automatically after 48 hours.
Why Use This XLSX to CSV Converter?
- A CSV ready to import anywhere
- Several files at once, up to 1 GB each
- Encrypted connection, files deleted after 48 hours
- Free, no registration, no watermark
How to Convert XLSX to CSV
- Select or drag your XLSX files into the upload area
- Click "Convert" and wait a few seconds
- Download the CSV files
Frequently Asked Questions
Is this XLSX to CSV converter free?
Yes, it is completely free, with no registration and no watermark.
What is a XLSX file?
XLSX is the spreadsheet format of Microsoft Excel since 2007: sheets, formulas and formatting in one file.
Why convert XLSX to CSV?
CSV is understood by databases, online services and programming languages, so it is ideal for importing data.
Are my files safe?
Files are sent over an encrypted connection and deleted from our server automatically after 48 hours; you can delete them earlier in "Your files".