Step 1: Add your EPUB files using the button above or by carry and plop.
Step 2: Click the 'Convert' button to start the conversion.
Step 3: Pull your converted CBZ files.
EPUB to CBZ Conversion FAQ
Why do I need to convert EPUB to CBZ?
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Device compatibility, almost always. EPUB is reflowable XHTML in a zip — text re-lays-out to any screen width, which is why e-readers prefer it, while CBZ is simply a ZIP archive of page images that comic readers display in filename order — so the conversion exists to get a book you own onto the reader you actually use.
Is the text quality affected?
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No. Both sides store real text, so this is a structural repackaging rather than a re-encode. Every word arrives intact; only the container and its markup dialect change.
Does the table of contents survive?
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Yes — chapter structure and navigation are rebuilt in the CBZ format's own scheme, so tapping through chapters works as before. This is one of the parts most worth checking after conversion, since a broken ToC is the most common ebook defect.
What happens to the cover?
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The cover image is carried across and registered as the cover in the CBZ, so it shows correctly in the device library rather than appearing as the first page of the book.
Will my highlights, bookmarks and reading position transfer?
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No — those live in your reader app's own database, keyed to its copy of the book, not inside the file. Converting produces a new file, and the device treats it as a new book starting at page one.
Can it remove DRM from a purchased book?
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No. DRM-protected files cannot be opened and will fail with an error. This converts unprotected files and DRM-free books only.
Do embedded fonts and styling carry over?
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Embedded fonts and CSS transfer where the target supports them. Formats with a simpler styling model flatten the design to their nearest equivalent — the text and structure are always preserved even when the visual polish is not.
What about footnotes and internal links?
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Linked footnotes and internal cross-references are remapped to the CBZ equivalents and continue to work. External web links are preserved as-is.
Are fixed-layout books handled?
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Fixed-layout titles — comics, children's books, technical manuals with precise placement — convert best into formats that also support fixed layout. Converting a fixed-layout book into a purely reflowable format will rearrange the page, and that is inherent, not a bug.
Can I convert my whole library at once?
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Several files in one job need a paid plan. Free use is one file per conversion, one conversion an hour. On a paid plan you can add several files to one job, then download each result on its own or all of them in one ZIP.
Is my library private?
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Yes. Uploaded EPUB files are processed on our own conversion servers, no person reviews them, and they are never shared. The upload and the converted CBZ are both deleted automatically about 24 hours after the conversion, which leaves time to download the result. See /privacy/ for the full policy.
