EPUB validator
EPUBCheck is a tool to validate the conformance of EPUB publications against
the EPUB specifications. EPUBCheck can be run as a standalone command-line
tool or used as a Java library.

EPUBCheck is open source software, maintained by the DAISY Consortium on
behalf of the W3C.

Maintainer: Anthony J. Bentley <anthony@anjbe.name>

WWW: https://github.com/w3c/epubcheck
