Convert any PDF to black & white — perfect for printing or accessibility. No upload, instant result.
Click to select or drag & drop your PDF here
Each page is rendered as grayscale image. Works on all PDFs including scanned documents.
Click or drag & drop. Stays on your device.
Choose settings — browser processes locally.
Instant download. Free, no account.
Converting to grayscale is useful when printing on black-and-white printers to avoid colour ink wastage, when a printer or copy shop requires black-and-white documents, or when converting for accessibility or archiving. Grayscale PDFs are also typically smaller in file size than their colour equivalents.
This tool renders each PDF page using pdf.js, applies a grayscale transformation using the Canvas API, and compiles the result back into a PDF using pdf-lib — entirely in your browser. Works on text-based and scanned PDFs alike.