XLS Converter

Convert XLS (Microsoft Excel 97-2003 spreadsheet) files online, for free, with nothing to install.

XLS is the spreadsheet format of Excel 97 to 2003. Newer programs still open it, but it holds fewer rows and is bigger than XLSX. XLS files can be saved as PDF, HTML, XPS, XLSX, ODS, CSV, JPG, PNG, on our server.

What is an XLS file?

XLS – Microsoft Excel 97-2003 spreadsheet. XLS is the spreadsheet format of Excel 97 to 2003. Newer programs still open it, but it holds fewer rows and is bigger than XLSX.

How to convert an XLS file

  1. Click Select File, or drop your .xls files anywhere on this page.
  2. Pick the format you want next to each file, for example PDF.
  3. Click Convert, then Download when it's done.

XLS at a glance

XLS
LayoutCells in sheets
EditableYes
Created byMicrosoft, 1990s
Best forOld Excel versions

Frequently asked questions

What is an XLS file?

XLS is the spreadsheet format of Excel 97 to 2003. Newer programs still open it, but it holds fewer rows and is bigger than XLSX.

How do I open an XLS file?

Microsoft Excel opens XLS files, and so do LibreOffice Calc, Google Sheets and Apple Numbers. To read it anywhere, convert it to PDF here.

Is converting XLS files free?

Yes. Everyone gets 25 free credits a day, with no account needed. Conversions on our server use one credit per started minute of work, so most cost a single credit. Credits reset at midnight UTC.

Are my XLS files uploaded anywhere?

This conversion runs on our server, because reading an XLS file needs LibreOffice, which does not run in a browser. Your file is sent over an encrypted connection, and both it and the result are deleted 72 hours after the conversion. The server has no internet access while it works on your file.

Convert XLS to

Other spreadsheet converters

Updated