Free Online Compare XLS Documents

Online diff tool that allows to compare two XLS documents from any device, with a modern browser like Chrome, Opera and Firefox.

XLSMicrosoft Excel Binary File Format

Files with XLS extension represent Excel Binary File Format. Such files can be created by Microsoft Excel as well as other similar spreadsheet programs such as OpenOffice Calc or Apple Numbers. File saved by Excel are known as Workbook where each workbook can have one or more worksheets. Data is stored and displayed to users in table format in worksheet and can span numeric values, text data, formulas, external data connections, images and charts.

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How to

 How to compare, view & download changes of a XLS document using GroupDocs Comparison App

  • Click inside the file drop area of source & target files to upload XLS files or drag & drop XLS files.
  • Click "Compare Now" button to compare/view/download changes instantly.
  • View document pages.
  • View list of changes in a panel.
  • View and navigate between pages.
  • View pages thumbnails.
  • Set page view zoom-in or zoom-out.
  • Download the XLS output file with changes.
  • Download the XLS output file in images format.
  • Download the source & target XLS files without changes.
Fast and easy

Fast and Easy XLS Comparison

Upload your XLS document and you will be redirected to the XLS Comparison Viewer app with great user experience and many more features.


Compare XLS from Anywhere

It works from all platforms including Windows, Mac, Android and iOS. All XLS files are processed on our servers. No plugin or software installation required for you..


Comparison Quality

Powered by GroupDocs.ComparisonAll XLS files are processed using GroupDocs APIs.

Other Comparison file formats

You can also compare many other file formats. Please see the complete list below.