Grayscale PDF
Convert your color PDFs to grayscale (black and white) for free. Reduce file size and save on printing costs.
Accepted formats
Code example
curl -X POST "https://gurupdf.com/api/v1/convert/grayscale-pdf" \
-H "Authorization: Bearer YOUR_API_KEY" \
-F "files[]=@/path/to/document.pdf"