OCR (optical character recognition) is a way to extract text from an image and convert it into an editable text document.
Free-OCR.com is a free online OCR tool to perform OCR on any image in PDF, JPG, GIF, TIFF or BMP format. try www.free-ocr.com This service is free, no registration necessary. The only restriction is that the images must not be larger than 2MB, no wider or higher than 5000 pixels and there is a limit of 10 image uploads per hour. The error rate is much less then commercially available programs.
Desktop based FREEWARE Alternative software JOCR. – JOCR is small Windows app that enables you to capture the image on the screen and convert the captured image to text. It is useful to revive the protected files whose text can not be copied. JOCR enables you to copy text from any files and images on the screen such as protected Web pages, PDF files, error messages. JOCR requires Microsoft Office 2003 or higher version to work. Download JOCR