Grayscale PDF
Upload a PDF. Each page is rebuilt in black and white.
Progress
Upload a PDF to begin.
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Text becomes grayscale images, so the file is not searchable afterward. Best for printing.
Convert every page of a PDF to black and white. Pages are rendered and rebuilt as grayscale, perfect for printing without color ink.
Upload a PDF. Each page is rebuilt in black and white.
Upload a PDF to begin.
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Each page is rendered to an image with pdf.js, every pixel is converted to luminance for true grayscale, and the pages are reassembled into a fresh PDF with pdf-lib. Vector text becomes raster images, which guarantees identical appearance on every printer.
Standard renders at 1.5x for smaller files, fine for drafts. High renders at 2.2x so small text stays crisp. Grayscale JPEG pages are far smaller than color originals either way.