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Convert full-color PDF documents into pure monochrome grayscale using ITU-R BT.709 luminance contrast.
Optimize documents for laser/inkjet printing and reduce toner consumption.
Select your color PDF.
Apply Rec. 709 luminance transform.
Save monochrome PDF ready for print.
Everything you need to know about this developer tool
Grayscale documents print much faster, save expensive color printer cartridges, and meet strict court filing criteria.
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Transform color PDFs to crisp black and white monochrome pages. Saves printer ink, lowers toner usage, and speeds up document printing with 100% private in-browser rendering.
Drop your PDF file here or browse
Supports all standard PDF documents up to 100MB • 100% private in-browser execution
Convert colored PDF documents into monochrome pages in three simple steps.
Select your PDF document for local monochrome conversion and inspection.
Applies ITU-R BT.601 luminance weighing to strip all chromatic colors cleanly.
Save toner-friendly monochrome PDF with instant visual verification.