Pyocr for Windows - READ IMAGE PDF WITHOUT SEARCH OPTION TO PDF WITH SEARCH OPTION, its OCR with PyTesseract.
Works for Portuguese and English
Download all files You have to install Poppler 0.68 ( http://blog.alivate.com.au/poppler-windows/ ), and Tesseract Alpha 5.x ( https://github.com/tesseract-ocr/tesseract/wiki/Data-Files ), change the installation path of poppler and tesseract in python code.
Run Icon PyOCR (VBS archive), not the ico, and select your pdf file for read and turn in searchable PDF.