How to convert a color PDF to grayscale PDF by using A-PDF to Black/White?
Thanks for your support for A-PDF to Black/White. I am glad to tell you the step-by-step tutorial about how to convert a color PDF to grayscale PDF by using A-PDF to Black/White. Please read on this article:
If you do not install A-PDF to Black/White, please download and install it to your computer, compatible with Windows 2000/XP/Vista/7.
Step1: Add one or more color PDF documents;
Step2: Click "Settings" to Grayscale option, set the threshold value;
Step3: Convert to B/W.
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