A-PDF to Black / White is a tool that allows you to convert any PDF document to Black and White tones, but not only is it limited to the B / N but can also convert it to monochrome or grayscale tones.
One of the great advantages of A-PDF to Black / White when converting a PDF to these colors is because it significantly reduces the weight of the original PDF.
A-PDF to Black / White allows you to process several PDF files in batches (even if you require an access password) and you do not need Adobe Acrobat to be installed correctly.
You can free download A-PDF to Black/White 32, 64 bit and safe install the latest trial or new full version for Windows 10 from the official site.