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pdfly vs pdfcpu: catalog facts
pdfly	pdfcpu
Free Free software under the BSD 3-Clause license.	Free Free and open source under the Apache licence.
Command line	Windows, macOS, Linux, Command line
Includes commands for PDF extraction, editing and conversion Can create booklet layouts and verify signed PDFs	Single static binary with no dependencies Doubles as a Go library, so the same operations work inside your own program
Command-line interface requires comfort with terminal commands	Command line only Newer than the established tools, so some edge-case PDFs still fail
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	License: Apache-2.0
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.