XLSX (EXCEL) to CSV Converter
Convert your xlsx files to csv online & free
Office Open XML Worksheet Sheet
How to convert XLSX to CSV
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to csv"
Choose csv or any other format you need as a result (more than 200 formats supported)
Download your csv
Let the file convert and you can download your csv file right afterwards