Accessibility – EPUB 3 Resources and Guidance

There is a range of guidance available for creating Accessible EPUB files – some high level and some more technical. Please contact us if you would like to see additions or updates made to this list:

  • See for comprehensive guidance on creating accessible EPUB files:

EPUB Tools and Solution Gallery

The new EPUB Tools and Solution Gallery provides a directory of EPUB tools and resources for all areas of the industry. Use the search functions to find the perfect solution for you or submit your own tool for listing within the gallery.


The epubcheck tool is the gold standard as far as EPUB 3 validation goes. epubcheck is currently hosted on agithub project under the same name. The latest stable build is typically linked to from the main page, but can also be found by clicking on the Downloads tab. – open source technology for EPUB 3 and the open web platform

The Readium Foundation ( develops technology to accelerate adoption of EPUB 3 and the Open Web Platform by the global digital publishing industry.

The new website has been launched in a collaboration between BISG, DAISY Consortium and the IDPF to provide a unified home for the definitive EPUB 3 Reading System Conformance Testsuite.