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

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