Color PDF to black and white
Convert a colour PDF to grayscale or pure black and white, handy for printing and for saving ink.
Two modes
Grayscale keeps shades of gray. Black and white turns every pixel black or white using the threshold, which works best for text documents and forms.
Good to know
Pages are converted to images, so text in the result cannot be selected. Your original is not changed.
Color PDF to black and white FAQ
What is the difference between grayscale and black and white?
Grayscale keeps shades of gray and suits photos. Black and white turns every pixel pure black or white with a threshold you control, which suits text documents and saves printer ink.
What does the threshold do?
Pixels darker than the threshold become black and lighter ones become white. Raise it to make more of the page black, lower it to keep only the darkest marks.
Can I still select text afterwards?
No. Pages are converted to images, so the text in the result cannot be selected or searched.
Is my PDF uploaded?
No. The conversion runs entirely in your browser.
Will the file get bigger?
Black and white pages usually compress well. Large scans in grayscale can be bigger than the original, so check the size shown after conversion.