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Qpdf Tools vs PDF Tricks: catalog facts
Qpdf Tools	PDF Tricks
Free Free and released into the public domain under the Unlicense.	Free Free and open source under the GPL-3.0.
Linux	Linux
Compress, split, merge and rotate PDFs Works locally without uploading files	Compress PDFs at several resolution levels Split by page ranges and merge multiple files
Covers basic tasks only, no editing or annotation Small project with few contributors	Linux only Limited to a few basic operations, no page editing or annotation
Downloadable app	Downloadable app
Open source	Open source
License: Unlicense	License: GPL-3.0-or-later
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 October 1, 2026

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