Convert XLSX to CSV
Turn Excel workbook files (.xlsx) into Comma-separated values (.csv) in seconds. Drop one file or a whole batch: the conversion happens right in your browser, with no sign-up, no watermark and no upload.
CSV to XLSX insteadHow to convert XLSX to CSV
- 1Drop your XLSX files into the box above, or click to choose them.
- 2CSV is already selected. Adjust the options if you like.
- 3Click Convert and download your CSV files.
Good to know
- You can pick which sheet to convert. Formulas are exported as their calculated values.
- Column types such as numbers and true/false values are detected, and you can set the delimiter and header row.
Frequently asked questions
Is converting XLSX to CSV free?
Yes. There is no sign-up, no watermark and no limit on the number of files.
Are my files uploaded?
No. Everything runs in your browser, so your files are never uploaded to a server. That also makes it fast, because nothing has to travel over the network.
Will I lose quality converting XLSX to CSV?
No noticeable loss: the conversion keeps the content of your XLSX file intact.
Can I convert several files at once?
Yes. Drop as many XLSX files as you like. They are converted one after another and you can download them individually or as a ZIP.
Is there a file size limit?
There is no fixed limit. Very large files depend on your device's memory, since the conversion runs locally.
What is XLSX?
XLSX is the Microsoft Excel spreadsheet format, holding one or more sheets of tabular data.
What is CSV?
CSV is a simple text format for tables that every spreadsheet and database can import.