Convert a PDF to black and white
Convert colour pages to black and white to save printer ink.
Select PDF files
or drop them anywhere on this box
Processed privately on your device
How to convert a PDF to grayscale
- Open the colour PDF.
- Choose the output quality you need.
- Select Grayscale PDF and download the black-and-white file.
Why use PDF Karigar to convert PDFs to black and white?
Turn colour PDFs into grayscale for cheaper printing or for portals that require black-and-white documents.
- Private by design. Files are processed on your own device. Nothing is uploaded, stored or shared.
- Free, with no catch. No sign-up, no watermarks and no daily limits.
- Works everywhere. Runs in any modern browser on Windows, Mac, Linux, Android and iPhone.
Grayscale PDF: frequently asked questions
Why convert a PDF to grayscale?
Grayscale saves colour ink when printing and is often required by government and university upload portals.
Will the text stay readable?
Yes. Choose a higher quality setting for documents with small print.
Can I convert only some pages?
The tool converts the whole document. To convert part of a file, extract those pages first with Extract pages.
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