What Is EPUB 3.1 Specification


What Is EPUB 3.1 Specification?

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EPUB 3.1 Specification is the 3.1 version of EPUB specification.

EPUB 3.1 Specification was developed pursuant to a charter approved by the IDPF Membership in July, 2015, and approved by the IDPF membership as a final Recommended Specification effective January 5, 2017.

EPUB 3.1 Specification consists of 6 documents:

  • EPUB 3.1 - Provides a high level definition of EPUB 3.1 as a distribution and interchange format for digital publications and documents.
  • EPUB 3.1 Overview - Provides a starting point for content authors and software developers wishing to understand the EPUB® 3.1 specifications. It consists entirely of informative overview material that describes the features available in EPUB 3.1.
  • Packages 3.1 - Defines semantics and conformance requirements for an EPUB® Package.
  • Content Documents 3.1 - Defines profiles of HTML, SVG, and CSS for use in the context of EPUB® Publications.
  • Open Container Format 3.1 - Defines a file format and processing model for encapsulating the set of related resources that comprise an EPUB® Publication into a single-file container, the EPUB Container.
  • Media Overlays 3.1 - Defines a usage of [SMIL] (Synchronized Multimedia Integration Language), the Package Document, CSS Style Sheets, and EPUB® Content Documents for representation of audio synchronized with the EPUB Content Document.

For more information, see EPUB 3.1 Specification Website.


Minimum Requirement of EPUB 3.1 File

Introduction of EPUB 3.1 Specification

Introduction of EPUB 3.1 Specification

⇑⇑ EPUB Tutorials

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