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ABBYY FineReader PDF vs Scans to PDF: catalog facts
ABBYY FineReader PDF	Scans to PDF
Paid A paid licence or subscription is required after the trial.	Free Free and open source under the GPL-3.0-or-later licence.
Windows, macOS	Linux, Command line
Recognition and layout retention that free engines do not match Compares two versions of a document even across different formats	Separate compression of text and background keeps scanned PDFs small Adds an invisible OCR layer so documents become searchable
Expensive subscription or licence Windows and macOS only, closed source	Color and grayscale scans need preparation in other tools for good results Linux only
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-or-later
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 1, 2026

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