Convert from EPUB
Start with an EPUB book and export it to a device, archive or text format.
Supported formats
Use this guide to choose the right route before uploading. Some formats convert directly in the browser, while complex ebook and document formats use the Calibre-backed conversion endpoint.
AZW files are usually tied to older Kindle workflows, so EPUB output is useful when you want a more portable library format.
Check whether the AZW file is protected before uploading, because protected ebooks cannot be converted cleanly.
AZW3 is common for Kindle books with richer formatting, while EPUB is easier to reuse across reading apps.
AZW3 books with complex CSS may need a quick review after conversion.
AZW4 often appears in textbook-style Kindle files, where EPUB can make the book easier to archive or inspect.
Large illustrated AZW4 files may take longer to process than text-first ebooks.
CBC archives are used for comic collections, and EPUB output can package images into a book-like reading flow.
Keep page image names ordered before conversion for predictable chapter sequence.
CBR files store comic pages in a RAR archive, while EPUB is easier to open in general ebook readers.
For best results, use page images with consistent dimensions.
CBZ is convenient for comics, and EPUB conversion makes the pages accessible in more ebook libraries.
Make sure the ZIP order follows the reading order before converting.
CHM files are older help manuals, and EPUB makes documentation easier to read on modern devices.
CHM navigation trees may become EPUB chapters during conversion.
DOCX to EPUB is useful for manuscripts, reports, guides, and drafts that need ebook distribution.
Use heading styles in Word before conversion for cleaner EPUB chapters.
EPUB is the standard reflowable ebook format and works well as a source for reader-specific outputs.
Well-structured EPUB files with clean metadata usually convert more predictably.
FB2 is popular in some ebook libraries, and EPUB output is easier to sync with modern reading apps.
FB2 metadata usually maps well into EPUB metadata fields.
HTML pages can be packaged into EPUB when you want web content in an offline ebook format.
Use clean semantic headings to create a better EPUB table of contents.
HTML to EPUB is useful for articles, documentation, and web drafts that should read like an ebook.
Inline important images or make sure image URLs are reachable during conversion.
HTMLZ bundles web content and assets, making it a practical source for EPUB packaging.
Keep the archive self-contained so images and styles are available during conversion.
LIT is a legacy Microsoft Reader format, and EPUB conversion helps preserve older ebook collections.
Use this route for archival books you want to open in modern readers.
LRF belongs to older Sony Reader devices, while EPUB is broadly supported today.
This route is handy when migrating an old Sony Reader library.
MOBI conversion helps move older Kindle or Mobipocket files into EPUB-based reading apps.
Review the EPUB table of contents after converting long MOBI books.
ODT to EPUB works well for open-source document workflows and manuscript publishing.
Use document headings and simple styles for clean EPUB chapters.
OEB is an older ebook structure, and converting from EPUB to OEB can support legacy publishing pipelines.
Use OEB when a downstream tool specifically requires Open eBook packaging.
Pages documents can become EPUB files for publishing drafts, worksheets, or guides outside the Apple ecosystem.
Export from Pages cleanly before conversion if the original file is very layout-heavy.
PDB is a legacy handheld format, and conversion helps move older mobile ebooks into current readers.
Use this route for archival Palm-era ebook files.
PDF is best for fixed pages, while EPUB is better when text needs to reflow on phones and ebook readers.
Text-based PDFs convert better than scanned image-only PDFs.
PML files can be converted into EPUB to preserve old Palm ebook sources in a modern package.
Clean markup before conversion improves chapter and paragraph output.
PRC to EPUB helps recover older handheld ebook files for current reading apps.
Check the source language and encoding if characters look unusual.
RB files are tied to early ebook devices, and EPUB conversion is useful for long-term access.
Use this route when modern readers cannot open the original RB file.
RTF to EPUB is useful for lightweight manuscripts and formatted notes that need ebook packaging.
Use clear headings in the RTF file for a better reading structure.
SNB is a regional ebook format, and EPUB conversion helps make those files easier to reuse.
Use EPUB output when moving Bambook-era files to modern devices.
TCR is a compact older ebook format, and EPUB output improves compatibility with modern libraries.
TCR files are usually text-first, so chapter cleanup may be useful afterward.
Plain text is easy to package into EPUB for drafts, notes, public-domain books, and simple documentation.
Separate chapters with clear headings before converting TXT to EPUB.
TXTZ keeps text compact, and EPUB conversion makes that content easier to browse with metadata and chapters.
Make sure the compressed text file uses a readable encoding.