Contact EPUB Toolset
For EPUB compatibility reports, privacy questions, content corrections, or product feedback, email the maintainer.
Emailsupport@epubtoolset.comCompatibility reports
Include the browser, operating system, EPUB version, tool used, and what happened. Do not attach confidential or copyrighted ebooks you cannot share.
Privacy and safety
Ask about browser-local file handling, blocked remote resources, analytics, memory-only sessions, or EPUB content isolation.
Content and improvements
Suggest documentation corrections, public test cases, missing metadata patterns, or workflow improvements that fit the EPUB-only product scope.