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| Name | HTML | EPUB |
| Full name | HTML - Hypertext Markup Language | EPUB - Electronic Publication |
| File extension | .html, .htm | .epub |
| MIME type | text/html | application/epub+zip |
| Developed by | W3C & WHATWG | International Digital Publishing Forum |
| Type of format | Document file format | Ebook file format |
| Description | HyperText Markup Language, commonly referred to as HTML, is the standard markup language used to create web pages. Along with CSS, and JavaScript, HTML is a cornerstone technology, used by most websites to create visually engaging web pages, user interfaces for web applications, and user interfaces for many mobile applications. | EPUB is an e-book file format with the extension .epub that can be downloaded and read on devices like smartphones, tablets, computers, or e-readers. It is a free and open standard published by the International Digital Publishing Forum (IDPF). The term is short for electronic publication and is sometimes styled ePub. |
| Technical details | HTML elements form the building blocks of all websites. HTML allows images and objects to be embedded and can be used to create interactive forms. It provides a means to create structured documents by denoting structural semantics for text such as headings, paragraphs, lists, links, quotes and other items. | EPUB is the most widely supported vendor-independent XML-based (as opposed to PDF) e-book format. An EPUB file is a ZIP archive that contains, in effect, a website-including HTML files, images, CSS style sheets, and other assets. It also contains metadata. EPUB 3 is the latest version. By using HTML5, publications can contain video, audio, and interactivity, just like websites in web browsers. |
| Associated programs | Mozilla Firefox, Opera, Google Chrome, Internet Explorer. | Adobe InDesign, calibre, LaTeX, Genebook, epubcheck. |
| Wiki | https://en.wikipedia.org/wiki/HTML | https://en.wikipedia.org/wiki/EPUB |