Take the 2-minute tour ×
Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.

Is there an easy way to convert this PDF: https://archive.org/details/nightscenesofcit00talm to this PDF: https://archive.org/details/nightscenescity00talmgoog I print out old books I find scanned online and many of them have a dark background. I can convert the color background to grayscale but it still uses a lot of ink. Is there an easy way to do this? I'm not a computer geek so it must be a program that is easy to use. I have Adobe 11. Thanks, Marty

share|improve this question

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Browse other questions tagged or ask your own question.