MOBI — Kindle E-book
The valid EPUB converted to MOBI (Mobipocket) with Calibre — the classic Kindle format. For testing MOBI readers and EPUB→MOBI conversion.
Rendered preview of the mobi file (29.4 KB). Download above for the original.
Specifications
- Format
- MOBI (Kindle)
- Source
- example-reader.epub
- Converter
- Calibre
What is a .mobi file?
MOBI (.mobi, Mobipocket) is a legacy Kindle e-book format based on a PDB container with compressed HTML and a limited CSS subset. Amazon retired it in favour of AZW3/KFX, but MOBI files remain widespread.
How to use this file
Use an example .mobi file to test e-book readers, Calibre conversion, and MOBI-to-EPUB migration.
How to use this file for testing
“MOBI — Kindle E-book” is a deterministic Novus Examples fixture for Conversion testing. The same content exported across many formats and linked as a group, so you can convert one and diff against the expected twin.
Documented properties for this file: MOBI (Kindle). Compare results against paired or grouped companions on this page when present (clean↔damaged, searchable↔scanned, or format twins) so scores stay reproducible across runs.
Download the file once, keep the path stable in CI or local scripts, and treat the spec table as the contract: dimensions, seeds, field lists, and roles are intentional. Corrupt or invalid samples are labelled as such — expect parsers to fail loudly rather than silently accept them.
E-book fixtures are structured archives documented down to their spine and manifest. Test readers and converters, and where a valid↔intentionally-invalid pair exists, assert graceful handling of the malformed container.
Related files
- azw3AZW3 — Kindle KF8 E-bookThe valid EPUB converted to AZW3 (Kindle KF8) with Calibre — the modern Kindle format. For testing AZW3 readers and EPUB→AZW3 conversion.
- cbzCBZ — Comic Book ArchiveA CBZ comic archive — a ZIP of sequentially named JPEG pages, the standard container for digital comics. Built from generated pages; for testing comic readers and CBZ→PDF conversion.
- azwConvert v2 DRM-Free AZW E-bookDRM-free AZW/MOBI7 e-book source copied byte-for-byte from the catalog's valid reader fixture for legacy import testing. Stable P8 artifact p8-convert-legacy-azw.
- cbrConvert v2 Two-Page CBR ComicValid CBR comic container with two deterministic PNG pages in lexical reading order for legacy comic conversion. Stable P8 artifact p8-convert-legacy-cbr.
- epubEPUB — Intentionally Invalid (bad OCF mimetype)An intentionally invalid EPUB: identical to the valid twin except its OCF mimetype entry is compressed and mislabelled as application/zip — a real EPUB spec violation. For testing how readers and validators handle a malformed container. Clearly labelled; harmless content.
- epubEPUB — Volume 05 SAMPLEAdditional EPUB 3 SAMPLE volume 5 with landmarks for batch reader tests.
Generated by generation/ebooks.py. Free for any use, no attribution required — license.