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PDF Toolkit vs Smallpdf: catalog facts
PDF Toolkit	Smallpdf
Free Free and open source under the Apache-2.0 licence.	Freemium A limited free tier is available. Pro is a paid subscription.
Android	Windows, Android, iOS, Web
Works fully offline on the device Merge, split, compress and page editing in one app	Clean, fast interface that covers the common PDF chores Desktop and mobile apps alongside the browser tools
Android only No tagged releases on GitHub	Free use is capped at a couple of documents per day Files are processed on their servers
Downloadable app	Web application
Open source	Closed source
License: Apache-2.0	License not stated
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 October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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