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EPUB, which stands for electronic publication, is a popular ebook file format that enables digital book distribution across a range of e-reader devices and software. The EPUB file format is designed to be reflowable, which means the content can adjust to various screen sizes without affecting readability. This makes it perfect for reading on smartphones, tablets, and e-readers. The format supports a variety of content types, including text, images, stylesheets, fonts, metadata, and even multimedia elements like audio and video in its latest version, EPUB 3.3.
EPUB files are unique in that they are essentially ZIP files at their core. By changing the file extension from .epub to .zip, one can access the ebook's HTML and other resources. The International Digital Publishing Forum (IDPF) maintains this open standard to ensure that it remains widely accessible and compatible. For readers, this means a seamless experience across different reading platforms, and for publishers, it provides a versatile and robust format for ebook distribution.
| Name | Electronic Publication |
|---|---|
| File Extension(s) | .epub |
| Category | Documents |
| Use For | Storing and reading ebooks on various devices, including smartphones, tablets, e-readers, and computers. |
| Developer | International Digital Publishing Forum (IDPF) |
| MIME Type(s) | application/epub+zip |
| License | open format; freely available for use and distribution. |
| File Sample(s) | N/A |