UHTML is a document file sued by mobile web browser UC Browser. UHTML files are supported by mobile devices running Android, Windows Phone, or iOS. UHTML files contain saved web page data including text, images, and other elements.

UHTML can only be accessed using UC Browser and may function as a web page backup copy. UHMTL files are not related to a popular programming language uHTML in any way. Depending on the contents, UHTML files can be as large as a few dozen megabytes.