Format reference

EPUB Format Hub

EPUB (.epub) is the industry-standard e-book format based on zipped XHTML, CSS, images, and metadata. Designed for reflowable content on varied devices, it supports navigation tables and media overlays. Use sample .epub files to test reader compatibility, navigation, style consistency, and metadata parsing across e-reader applications.

4 Files
339 Downloads (30d)
application/epub+zip
Related Formats in Ebook

Keep adjacent formats visible.

Related Comparisons

Keep adjacent comparisons one step away.

EPUB vs PDF

Compare reflowable EPUB reading with fixed-layout PDF distribution.

Open Comparison
Format Strategy Links

Keep strategy links secondary but close.

Open EPUB FAQ

Best Format Guides

Conversion Guides

Implementation Notes

Keep implementation notes explicit.

Use the manifest endpoint for deterministic fixture selection in CI, then validate MIME/type detection against actual parser output.

If this format appears in multiple categories, prefer category-specific hub pages to keep test assumptions aligned with real usage.