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PDF Mix Tool vs qpdf: catalog facts
PDF Mix Tool	qpdf
Free Free and open source under the GPLv3.	Free Free and open source under the Apache licence.
Linux	Windows, macOS, Linux, Command line
Merge, split, rotate, N-up and booklet creation in one app Few dependencies (Qt and qpdf)	Rewrites PDF structure losslessly, which makes it ideal in pipelines Can dump and rebuild a PDF as JSON for scripted editing
Page-level operations only, no content editing Linux focused	No rendering or text extraction; those need other tools Command line only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: Apache-2.0
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 23, 2026	Official website Full listing and sources Checked September 22, 2026

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