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PaperKnife+ vs PDF Toolkit: catalog facts
PaperKnife+	PDF Toolkit
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the Apache-2.0 licence.
Android	Android
Works fully offline with no trackers Merge, split, rotate and rearrange pages	Works fully offline on the device Merge, split, compress and page editing in one app
Android only No text editing or annotation listed	Android only No tagged releases on GitHub
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: Apache-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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