Search found 3 matches

by egitre
Sun Jul 21, 2019 4:28 am
Forum: Discussions
Topic: PDF conversion from color to grayscale
Replies: 3
Views: 4106

Re: PDF conversion from color to grayscale

My reply seems not to have been saved. In any event, I tried this feature and the resulting PDF GraphicConverter produced was still (also) in color. Any suggestions?
by egitre
Thu Jul 18, 2019 6:15 am
Forum: Discussions
Topic: PDF conversion from color to grayscale
Replies: 3
Views: 4106

Re: PDF conversion from color to grayscale

Thank you for responding. I got to the screen shown in your screenshot. After selecting Start selected Function, followed by Convert to B&W (leaving 128 as the threshold value), Graphic Converter indeed created a new output file. Yet all the images are still in color.
by egitre
Wed Jul 17, 2019 4:56 pm
Forum: Discussions
Topic: PDF conversion from color to grayscale
Replies: 3
Views: 4106

PDF conversion from color to grayscale

I have a collection of OCRed PDFs. The JPEG images in the PDFs are currently in color. I know that I can import the images from PDFs into grayscale upon opening, but the various output options only appear to save the current image in the browser window into grayscale. Is there a way to transform all...