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How to convert color image to black and white/gray image in PDF

Platform: WinForms |
Control: PDF |
Published Date: September 13, 2017 |
Last Revised Date: September 14, 2017
Tags: pdf, grayscale

We can change color image to black and white/gray image in an existing PDF with the help of ExtractImages and ReplaceImage features and find the code snippet and sample below.

Code snippet for Converting Color image to black and white\gray image:

 

Code snippet to Replace image in PDF:

 

Sample:

http://www.syncfusion.com/downloads/support/directtrac/general/ze/Replace_Image-1538519391

 

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