How to convert a colour brochure pdf to greyscale
- Step 1Export the brochure as a press-ready PDF — Export from InDesign, Canva, or your design tool as a standard PDF.
- Step 2Upload and convert to greyscale — Drop the colour PDF into the grayscale tool.
- Step 3Preview for legibility — Check that text and images are clearly readable without colour.
- Step 4Send to the printer — Download the greyscale PDF and submit it to your print supplier as the B&W version.
Frequently asked questions
Will greyscale conversion preserve image sharpness?+
Yes — the tool converts colour to greyscale without degrading image resolution.
Will spot colours convert correctly?+
Spot colours are converted to their greyscale equivalent. For precise greyscale proofing, verify with your printer.
Can I use this for proof checking before a full print run?+
Yes — a greyscale PDF is an effective way to proof a B&W version before committing to a large print run.
Privacy first
All PDF processing runs locally in your browser using PDF-lib and pdf.js. No file is ever uploaded — only metadata counters are saved for signed-in dashboard stats.