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PDFZova

Grayscale PDF

Convert PDF pages to grayscale for cheaper black-and-white printing.

Drop your file here, or paste it anywhere on this page

Choose PDF

Accepted: PDF files (.pdf) · Max 50 MB per file · Processing happens on your device.

How Grayscale PDF works

  1. 1.Choose one or more PDFs (up to 20).
  2. 2.Pick Standard grayscale, Black & white, or Keep text sharp.
  3. 3.Press Process — pages are rebuilt in grayscale in your browser.
  4. 4.Download the result.

Privacy

This tool runs entirely in your browser. Your files are never uploaded to a server, never stored by PDFZova, and never shared with anyone. Closing the tab discards them. The only exception is if a future tool is explicitly labelled as server-processed — this tool is not one of those.

Frequently asked questions

Why is text no longer selectable?

Grayscale is done by re-rendering each page as a picture, which removes the text layer. That is also why scanned documents and printed output look right.

Which option is best for printing?

Black & white for text documents (uses the least toner). Standard grayscale for documents with photos or diagrams.

About Grayscale PDF

Colour printing costs more than black-and-white, and not every document needs colour. Grayscale PDF rebuilds each page in grayscale at about 144 DPI for cheaper printing. The honest trade-off: output pages are images, so text in the result is no longer selectable, and the file may grow rather than shrink.

Input
One PDF file (.pdf), up to 50 MB
Output
A single PDF (.pdf) with grayscale image pages
File limit
50 MB per file. Processing runs entirely in your browser — files never leave your device.