Quote:
Originally Posted by mldma
Sorry,my poor english let you misunderstand the question:
I want to change a scanned color Pdf to black and white Pdf (color fading into black and wihte)without change the original margin,text size . can k2pdfopt do it?
thank you
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Try this:
k2pdfopt -mode copy -c- file.pdf
If you want the margins trimmed, add
-t to the options. The
-c- turns off color output (makes it black and white). You can adjust the grayscale some with the -g option, like Jens pointed out, and also with the contrast:
-cmax option.