Skip to main content

Grayscale PDF

Convert color PDFs to grayscale or black and white to help save color ink when printing, with no upload.

Processed on your device, not uploaded.

How to Convert PDF to Grayscale

  1. 1

    Select Your PDF Files

    Pick one color PDF or several at once.

  2. 2

    Set Color and Resolution

    Black and White for text, Grayscale for photos.

  3. 3

    Convert the Pages

    Press Convert Pages and wait a moment.

  4. 4

    Download PDF or ZIP

    Several files download together in one ZIP.

Grayscale PDF Features

Black and White or Grayscale

Black and White makes text crisp, Grayscale keeps photo shading.

Save Color Ink When Printing

Convert color reports before printing to help save color ink.

Grayscale PDF at 75 to 300 DPI

75 DPI for chat, 150 DPI for screens, and 300 DPI for print.

Up to 20 PDFs at Once

Convert many color files in one run, then download them as a ZIP.

Common Questions

Black and White makes every dot pure black or white, while Grayscale keeps the shading in photos and charts.

It can help, since pages no longer contain color. How much you save depends on your printer and document.

No, each page becomes an image, and links and form fields are removed. Run OCR PDF if you need the text.

Not always, since text-heavy documents can grow. Pick 75 or 150 DPI for a lighter file.

Yes, open this page in your phone's browser with nothing to install, and files aren't sent to a server.

PDF Guides and Tips

More UbahPDF Tools