EPUB Document (.EPUB)
EPUB (Electronic Publication) is an open e-book standard maintained by the W3C, using XHTML content with CSS styling packaged in a ZIP container. It supports reflowable text that adapts to different screen sizes and devices, as well as fixed-layout content for graphic-rich publications. EPUB is the most widely supported e-book format across non-Amazon e-readers and reading applications.
Advantages of EPUB Document
What the EPUB format does well, and why you might choose it.
- Open standard supported by virtually all non-Kindle e-readers and reading apps
- Reflowable text adapts to any screen size and user font preferences
- Supports multimedia, interactivity, and accessibility features
Limitations of EPUB Document
What the EPUBformat doesn't do well, and when to choose another format.
- Rendering can vary significantly between different reading applications
- Not supported natively by Amazon Kindle devices
- Complex styling and layout options are inconsistently implemented
What EPUB files are used for
- E-book publishing and distribution for non-Amazon platforms
- Library digital lending systems
- Self-publishing and independent author distribution
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Frequently asked questions about EPUB
What is a .EPUB file?
EPUB (Electronic Publication) is an open e-book standard maintained by the W3C, using XHTML content with CSS styling packaged in a ZIP container. It supports reflowable text that adapts to different screen sizes and devices, as well as fixed-layout content for graphic-rich publications. EPUB is the most widely supported e-book format across non-Amazon e-readers and reading applications.
What is the MIME type of EPUB?
The official MIME type for EPUB files is application/epub+zip. This is the value web servers and applications use to identify the format when transferring files.
What category does EPUB belong to?
EPUB is a Document Converter format. Files in this category share common conversion paths and use cases.
How do I open a .EPUB file?
EPUB files are typically opened by software that natively supports the EPUB Documentformat. If you don't have a compatible application, the most reliable approach is to convert the file to a more universal format using the converters listed above. Most EPUB Document files convert to widely-supported alternatives in seconds.
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