Purpose-Built
An offline EPUB 2/3 package and accessibility auditor for manifests, spines, links, navigation, metadata, media overlays, contrast notes, and publication reports.
One-time iPhone and iPad app
Epubproof
EPUB structure and access
Core Features
- Inspect container, OPF manifest, spine, and navigation
- Find missing resources, broken fragments, and duplicates
- Audit language, title, landmarks, alt text, and headings
- Preview reading order and document outlines
- Export an evidence-rich remediation report
Private by Design
No account, subscription, ads, tracking, third-party analytics, or developer-operated backend. Core features work offline, and your work stays on device unless you deliberately share or export it.
Use It Responsibly
Editorial preflight aid, not an official conformance certificate. Test the final book in target reading systems and with assistive technologies.