XLS to XLSX
Convert XLS spreadsheets to XLSX. Free, no sign-up, files deleted right after conversion.
Accepted: XLS · Max 50 MB per file
Converted on our server, then deleted immediately.
How to convert XLS to XLSX
Drop your XLS spreadsheets above, or choose them on your device.
Click Convert to XLSX: each file is converted in a few seconds.
Download the files one by one, or all together as a ZIP.
Your documents are converted on our server with LibreOffice, then deleted immediately: nothing is kept, nothing is shared.
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