Convert an image to black & white

Upload a photo and download it in grayscale — great for print, documents or a classic look. Combine with resize and format conversion in one step.

Is this true grayscale or just desaturated?

True grayscale: the image is converted to a single luminance channel using perceptual weighting, which preserves contrast better than simply removing saturation.

Can I convert scans to black-and-white PDFs?

Convert the images to grayscale here first, then use the "Images to PDF" tool to combine them into one PDF.