najjednostavnije, pomocu programa ABBYY FineReader
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.