Optimize

Convert a PDF to grayscale

Convert a PDF to black & white for printing.

Open in editor →Free · no sign-up · nothing uploaded

Save color ink and get a cleaner print by converting a document to grayscale. Every page is desaturated and rebuilt into a new PDF.

Great for printing colorful reports or slides in plain black and white.

How to grayscale pdf

  1. 1Open the PDF in the editor.
  2. 2Open the Tools panel → “Transform & extract”.
  3. 3Choose “Grayscale”.
  4. 4Download the grayscale PDF.

Why use pidief

  • ✓ True grayscale
  • ✓ Saves color ink
  • ✓ All pages
  • ✓ Everything runs in your browser — your file is never uploaded to a server.

Convert a PDF to grayscale now — free

Runs in your browser. No upload, no login, no watermark.

Open in editor →

Related tools

Compress PDF
Shrink large, scanned or image-heavy PDFs.
PDF to JPG
Export each page as a PNG or JPG image.
Resize PDF
Scale every page to A4, Letter or Legal.

Looking for something else? Browse all 23 tools →