Submit portable freeware that you find here. It helps if you include information like description, extraction instruction, Unicode support, whether it writes to the registry, and so on.
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#1 Post by juverax »

gImageReader is an OCR tool.
gImageReader claims portability (
gImageReader has been mentioned in the past in the forum: viewtopic.php?p=42470&hilit=gImageReader#p42470

Sourceforge: has several images Last update: 2022-01-28
Github: Releases: ... tag/v3.4.2 Version 3.4.2 Last Update: 2024-02-05

gImageReader is a simple Gtk/Qt front-end to tesseract-ocr.
Import PDF documents and images from disk, scanning devices, clipboard and screenshots
Process multiple images and documents in one go
Manual or automatic recognition area definition
Recognize to plain text or to hOCR documents
Recognized text displayed directly next to the image
Post-process the recognized text, including spellchecking
Generate PDF documents from hOCR documents
International language support: Weblate, Desktop entry

Note that there are other tools performing similar tasks, such as SumatraPDF ( )

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