Umi-OCR
Free offline OCR tool for Windows and Linux that extracts text from images, PDFs, and screenshots with no internet connection required.
About
Umi-OCR is an open-source, offline optical character recognition application for Windows and Linux. It handles batch image recognition, PDF processing, screenshot OCR triggered by a keyboard shortcut, and QR code scanning across 19 protocol types. Results can be exported as plain text, Markdown, CSV, or JSONL, and the tool includes layout analysis to preserve proper reading order. With support for over 20 interface languages and built-in recognition libraries that need no cloud access, it suits researchers, translators, and anyone who regularly digitizes printed or scanned material. Completely free and MIT-licensed.