How to use it
- Choose an EPUB file.
- Review each structural check.
- Use official EPUBCheck separately for comprehensive standards validation.
EPUB
EPUB Structure Checker
Run limited structural checks for essential EPUB files and declarations directly in your browser.
Free · Runs locally in your browser · Nothing is uploaded
Limitations and privacy
- This is not complete EPUB standards validation.
- Publication conformance requires W3C EPUBCheck and editorial review.
- Your input is processed only in this browser tab and is not stored by Folarin Tools.