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Revision as of 15:48, 6 August 2022

Viewers

zathura
evince
okular
pdf.js

Encoding and Manipulation

ghostscript CLI utility for ps/pdf manipulation
pypdf python module for pdf authoring/manipulation

File Format

PDFs are composed of boxes, ....


Boxes

mediabox The largest dimension - contains all crop-marks etc for printing.
cropbox Where the page should be clipped (in pdf viewer/when printed)
bleedbox Where the printed material should be clipped (generally slightly larger than cropbox for print)
trimbox The actual width/height
artbox seldom used, allows you to crop small componenents from a pdf for printing.