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OCRmyPDF vs gImageReader: catalog facts
OCRmyPDF	gImageReader
Free Free and open source under the Mozilla Public Licence 2.0.	Free The open-source software is available without a license fee. Hosting, hardware and…
Windows, macOS, Linux, Command line	Windows, Linux
Places OCR text accurately below the image, so copy and paste lands in the right place Keeps the original image resolution and inserts the text layer losslessly where possible	Supports multiple documents and editable recognition areas.
Command line only Accuracy depends on the scan; poor originals produce poor text	OCR accuracy depends on scan quality and installed language data.
Downloadable app	Downloadable app
Open source	Open source
License: MPL-2.0	License: GPL-3.0
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 September 21, 2026	Official website Full listing and sources Checked September 22, 2026

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