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pdfjam vs Cpdf: catalog facts
pdfjam	Cpdf
Free Free and open source under the GPL 2 license.	Freemium Free for non-commercial use. Commercial use requires a paid licence.
Command line	Windows, macOS, Linux, Command line
N-up layouts, booklets and signatures for binding Accepts PDF, PostScript and image inputs	Very wide operation set from one binary, including typesetting text onto pages APIs for Java, .NET, C, Python and JavaScript alongside the CLI
Requires a LaTeX installation Command line only, no graphical interface	Free only for non-commercial use Closed source
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.