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Cpdf vs pdfly: catalog facts
Cpdf	pdfly
Freemium Free for non-commercial use. Commercial use requires a paid licence.	Free Free software under the BSD 3-Clause 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	Includes commands for PDF extraction, editing and conversion Can create booklet layouts and verify signed PDFs
Free only for non-commercial use Closed source	Command-line interface requires comfort with terminal commands
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: BSD-3-Clause
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 8, 2026

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