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pdfly vs Cpdf: catalog facts
pdfly	Cpdf
Free Free software under the BSD 3-Clause license.	Freemium Free for non-commercial use. Commercial use requires a paid licence.
Command line	Windows, macOS, Linux, Command line
Includes commands for PDF extraction, editing and conversion Can create booklet layouts and verify signed PDFs	Very wide operation set from one binary, including typesetting text onto pages APIs for Java, .NET, C, Python and JavaScript alongside the CLI
Command-line interface requires comfort with terminal commands	Free only for non-commercial use Closed source
Downloadable app	Downloadable app
Open source	Closed source
License: BSD-3-Clause	License not stated
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 October 8, 2026	Official website Full listing and sources Checked September 22, 2026

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