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PDF Tinkerer vs indiPDF: catalog facts
PDF Tinkerer	indiPDF
Free Free and open source under the LGPL-2.1-or-later license.	Paid A one-time $35 lifetime licence, with a free trial download.
Linux	Windows, Linux
Creates new PDFs as well as modifying existing ones Open source under LGPL	Annotations saved as standard PDF objects readable in other viewers Page organizing, merging and splitting built in
Linux only Small one-person project with little public documentation	Proprietary and paid after the trial No macOS version
Downloadable app	Downloadable app
Open source	Closed source
License: LGPL-2.1-or-later	License: Proprietary
No account needed	Not stated if an account is 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.