najjednostavnije, pomocu programa ABBYY FineReader https://finereaderonline.com/en-us
Convert PDF files to editable formats and reuse fragments of the resulting documents, including text, tables and pictures in other documents. Recognized documents are easy to manage and share: FineReader Online will store your documents for 14 days, giving you plenty of time to download them or send them to Google DriveTM, Box, Dropbox, Evernote® and Microsoft OneDrive®. Recognize documents even if they contain a mixture of Chinese, Japanese and Korean. You can even recognize old text and documents containing Fraktur fonts.