PDF OCR is a Windows application and uses Optical Character Recognition technology to OCR scanned PDF documents to editable text files.
Website: https://www.pdfocr.net/
Download: pdfocr-4.7-sos.exe
License Key: XTRNNBOC3422VMQ
License Key: QIRNNBO34598VMW
Note: First you must run the program in trial and then paste the serial code in the menu About=>Register.