Engineer Simon Wilson has released `` OCR PDFs and images directly in your browser,' ' which allows you to extract text from image files such as PNG, JPEG, GIF, and PDF files using OCR (optical ...

There are a number of ways to extract a range of pages from a PDF file: there are PDF related toolkits for doing it, or you can use Ghostscript directly. For example, to extract pages 22-36 from a 100 ...