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Utility for adding signatures images to PDF documents

Project Description

A quick script to add signature images to PDFs, because I couldn’t find anything that worked well for the purpose under Linux.

Pros: should work with most PDFs, and with signatures as PNG’s or JPG’s. It preserves the incoming PDF’s text format (e.g. doesn’t convert every page to images like some alternatives).

Cons: no gui yet.


Install with pip:

pip install signpdf

Or from git:

git clone cd signpdf virtualenv venv source venv/bin/activate pip install -r requirements.txt


Sign the first page of “contract.pdf” with the signature “sig.png”:

signpdf contract.pdf sig.png –coords 1x100x100x150x40
Coordinates format is: <pagenum>x<x-coord>x<y-coord>x<width>x<height>.
  • <pagenum> the page number, count starts at 1.
  • <x-coord> horizontal distance from bottom-left corner in PDF units (1/72 inch).
  • <y-coord> vertical distance from bottom-left corner in PDF units (1/72 inch).
  • <width> width of signature in PDF units (1/72 inch).
  • <height> height of signature in PDF units (1/72 inch)

Other options:

  • --date Append a date to the right of the signature.
  • --output Destination filename. Default is to append _signed to the incoming PDF name.

For more usage details, run signpdf --help.

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Source None Apr 25, 2015

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