PDF · Grayscale · Free
Convert a PDF to grayscale
Strip the color from every page — useful for printing, scanning uniformity, or a smaller file.
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Click to choose a PDF, or drag it here
One file at a time
How to convert a PDF to grayscale
Upload your PDF and click "Convert to grayscale." Like Compress PDF, this works by re-rendering every page as an image — desaturating it to black & white — then rebuilding the PDF from those images. Text becomes part of a picture and is no longer selectable, so this is best for documents you're printing or archiving rather than ones you need to keep searchable.
Will my PDF's text still be selectable after converting to grayscale?
No. Like the Compress PDF tool, this works by re-rendering every page as an image (desaturated to grayscale) and rebuilding the PDF from those images, so text becomes part of a picture and is no longer selectable or searchable.
Is my PDF uploaded anywhere?
No — conversion happens locally in your browser using pdf.js and pdf-lib. Your eyes only — we never get a look.