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3
votes
0answers
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How to increase contrast in a PDF file? [duplicate]

Possible Duplicate: Adjust PDF Contrast with Adobe Reader/Acrobat? I have a black and white pdf file of text. But the text is too faint and is difficult to read. Is there a way to increase ...
10
votes
9answers
54k views

Adjust PDF Contrast with Adobe Reader/Acrobat?

We get PDF's from our professor to read for homework but they're often scanned documents, is there a way to adjust the contrast of the text to make it easier to read? Edit: I've got Photoshop but is ...