Python script to do simple rotation of all pages of an input PDF by a given amount.
Requires PyPDF2.
pip install pypdf2
rotatepdf.py <in file> <rotation> [<out file>]
<in file>
Input PDF.
<rotation>
Clockwise rotation in degrees (use negative numbers for counterclockwise).
<out file>
Output PDF (optional). Defaults to input file name plus '-rotated' suffix.
rotatepdf.py documentation.pdf 90
rotatepdf.py landscan.pdf -90 portscan.pdf