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
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Related Comparisons
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EPUB vs PDF
Open ComparisonFormat Strategy Links
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Best Format Guides
Conversion Guides
Implementation Notes
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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.