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Qpdf Tools vs PDF Mix Tool: catalog facts
Qpdf Tools	PDF Mix Tool
Free Free and released into the public domain under the Unlicense.	Free Free and open source under the GPLv3.
Linux	Linux
Compress, split, merge and rotate PDFs Works locally without uploading files	Merge, split, rotate, N-up and booklet creation in one app Few dependencies (Qt and qpdf)
Covers basic tasks only, no editing or annotation Small project with few contributors	Page-level operations only, no content editing Linux focused
Downloadable app	Downloadable app
Open source	Open source
License: Unlicense	License: GPL-3.0
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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