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OneFileConverter
PDF

Convert a PDF to black and white

Save colour ink, or meet a 'black and white only' rule, with a grayscale copy of every page.

Formats
PDF
Max size
500 MB
Price
Free

Drop files here

or browse your device

PDF · up to 500.0 MB per file

Related tools

Compress PDFShrink PDFs — or hit an exact size like 1 MB.Invert PDF ColoursDark-mode PDFs: white pages become black, text white.PDF to JPGSave every PDF page as a JPG or PNG image.

How to convert a PDF to black and white

  1. Add your PDF — up to 10 at a time.
  2. Choose the quality (150 DPI suits screens, 300 DPI printing).
  3. Click Convert and download the grayscale PDF.
Are my files safe?

Yes. Your files are only used to create your result — they’re never shared and never used to train AI.

Can I still select the text?

No — each page is redrawn as a gray image, which is what guarantees every colour (including in images and charts) is removed. Keep the original if you need selectable text.

Will the file get bigger?

Text-only PDFs usually do, because pages become images; scan-heavy PDFs often stay about the same. Run Compress PDF afterwards if needed.