GroupDocs.Comparison for Node.js via Java is a Node.js version of the GroupDocs.Comparison API. It provides the ability to detect differences between source and target files across paragraph, word, and character levels. Additionally, it detects changes in styling and formatting. This versatile API supports over 50 document types, including Microsoft Office, OpenOffice, AutoCAD, Visio, images, programming files, PDFs, and more.