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Sejda PDF vs OffPDF: catalog facts
Sejda PDF	OffPDF
Freemium A limited free tier is available. Paid plans remove the limits.	Free Free and open source under the MIT license, with no paid tier.
Windows, macOS, Linux, Web	Windows, macOS, Web
Desktop version processes files entirely locally Online files are deleted automatically after a short period	Includes desktop and browser tools Processes files locally
Free use is limited to a few tasks per hour and small documents Closed source	The macOS app supports Apple silicon. OCR, Office conversion, encryption, and repair require the desktop app.
Web application, Downloadable app	Downloadable app, Web application
Closed source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 8, 2026

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