How to Convert a PDF to Grayscale / Black & White for Cheap Printing

Published: 2026-02-22 | Read Time: 3 min read

Convert full-color PDF documents to pure grayscale or monochrome to reduce file sizes by 60% and save expensive color printing toner.

Frequently Asked Questions

Does converting to grayscale make text hard to read?

No. Contrast is optimized using standard ITU-R BT.601 luminance weighting (Y = 0.299R + 0.587G + 0.114B) to keep text crisp.