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Bryan Bishop 100d202221
further updates to Makefile
3 years ago
bin use io.StringIO when py3k 10 years ago
pdfparanoia bump version to 0.0.17 3 years ago
tests start fixing some tests 3 years ago
.gitignore comparediffs seems to be working nicely 10 years ago include via 10 years ago
Makefile further updates to Makefile 3 years ago README: fix typo in russian text 7 years ago
requirements.txt Package: use a version of PDFMiner since the interface change (#37). 9 years ago render markdown on pypi 3 years ago


pdfparanoia is a PDF watermark removal library for academic papers. Some publishers include private information like institution names, personal names, ip addresses, timestamps and other identifying information in watermarks on each page.

pdfparanoia это библиотека для удаления водяных знаков из PDF файлов научных статей. Некоторые издатели включают личную информацию, такую как названия институтов, имена, IP-адреса, время и дату и другую информацию в водяные знаки содержащиеся на каждой странице.



sudo pip install pdfparanoia


sudo python install

pdfparanoia is written for python2.7+ or python 3. You will also need to manually install "pdfminer" if you do not use pip to install pdfparanoia. For python versions prior to Python 3, use "pdfminer" from the Python Package Index ( For recent versions of Python, use pdfminer3k instead.


import pdfparanoia

pdf = pdfparanoia.scrub(open("nmat91417.pdf", "rb"))

with open("output.pdf", "wb") as file_handler:

or from the shell,

pdfparanoia --verbose input.pdf -o output.pdf


cat input.pdf | pdfparanoia > output.pdf


  • AIP
  • IEEE
  • RSC
  • SPIE (sort of)


  • 0.0.13 - RSC
  • 0.0.12 - SPIE
  • 0.0.11 - pdfparanoia command-line interface. Use it by either piping in pdf data, or specifying a path to a pdf in the first argv slot.
  • 0.0.10 - JSTOR
  • 0.0.9 - AIP: better checks for false-positives; IEEE: remove stdout garbage.
  • 0.0.8 - IEEE