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undrp converts Barnes & Noble's proprietary fixed-layout EPUB files (aka BNFixedFormat or DRP) to more generic formats such as PDF. The goal is to allow you to read these e-books in non-Barnes & Noble e-readers.

undrp requires Python 3.3 or later. You can install it via pip:

pip install undrp

You can run undrp like the UNIX cp command.

Convert a single file (explicit target filename):

undrp /path/to/somebook.epub somebook.pdf

Convert a single file (implicit target filename):

undrp /path/to/somebook.epub .

Convert multiple files:

undrp /path/to/*.epub .

Convert a single file, outputting to stdout:

undrp /path/to/somebook.epub -

undrp is still in its infancy, so there are quite a few limitations:

• Can only handle EPUB files where all the pages are JPEG images.
• Error reporting is terrible.
• Cannot convert EPUB files with DRM. You will need to strip the DRM off first.
• Can only output to PDF format.