Convert a PDF to grayscale

Grayscale PDFs are smaller and cheaper to print, since they use no colored ink. It's also useful for a cleaner, uniform look.

Pages are rendered to grayscale images, so the result is image-based. If you need selectable text, keep your original alongside the grayscale copy.

No. The conversion runs entirely in your browser using JavaScript — your file never leaves your device, so it's safe even for sensitive documents.

Yes — completely free, no signup, no watermark, and no daily limits.