ebook-converter-lib
ebook-converter-lib is a Python library and command-line tool for converting
ebooks between common formats. It is a modified fork of
ebook-converter by gryf, which is
itself derived from the conversion components of
Calibre. Licensed under GPL-3.0-or-later.
Install
python -m pip install ebook-converter-lib
Python 3.11 or newer is required. PDF input uses PDFium through pypdfium2
(installed automatically); no external tools are needed. Text, embedded images,
the outline as table of contents, title, author and a first-page cover are
taken from the PDF.
Use as a library
from ebook_converter_lib import convert
result = convert("book.docx", "book.epub")
if not result["success"]:
raise RuntimeError(result["message"])
convert() returns a dictionary with success and message keys. Use
check_deps_str() to verify that conversion dependencies can load in an
embedded Python runtime.
Options
Extra arguments use the command-line option format:
convert("book.epub", "book.mobi", "--base-font-size", "12")
--remove-text: one regular expression per line, every match is deleted. Escape special characters for literal text, e.g.C\+\+.- Unknown options, stray values and invalid regular expressions fail the conversion.
Command line
ebook-converter book.docx book.epub
Supported formats
Input: azw, azw3, docm, docx, epub, fb2, fbz, htm, html,
htmlz, lrf, markdown, md, mobi, odt, opf, pdb, pdf, pobi,
prc, rtf, shtm, shtml, text, textile, txt, txtz, updb,
xhtm, xhtml.
Output: azw3, docx, epub, fb2, html, htmlz, lrf, mobi, oeb,
txt, txtz.
The output format is chosen from the output file extension.
Development
uv sync --group dev
uv run pytest
1 maintainer
Metadata
1 maintainer
Release files for ebook-converter-lib 1.3.0
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|---|---|---|---|---|
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Total release size: 3.1 MB
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Signed by GitHub Actions, verified by PyPI on Oct 23, 2026.
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