If you need to compare HTML, XML, or even binary files, only a proper diff utility will do. ... XML, HTML, and INI files; and the contents of archives such as .Zip or .Jar files.

HTML and XML are structural foundations of every website or application. It is crucial that developers learn — and master — both.

XML is defined by the World Wide Web Consortium's (W3C') XML 1.0 Specification. It was designed to be general, allowing it to be used in a wide range of applications.

Use these free online document comparison tools to identify the differences between two versions of DOC, DOCX, RTF, PDF, PPT, PPTX, etc, files.