I scanned a document in color to PDF, and I don't want to re-scan it.
How can I convert this PDF document to grayscale (preferably without loss of other information)?
My usual toolset of doPDF, pdfsam and the Neevia online converter don't work here. I was thinking I could simply print to PDF and select the Grayscale color option, but doPDF doesn't have that option.
I'm using Windows, but I can probably handle a solution for any OS.