Grey for real
Images become true single-channel greyscale, not colour images that happen to look grey, so printers use black ink only and colour-counting print shops charge grey rates.
Grayscale PDF
Every colour turned to the grey it would print as, photos and gradients included, so the printer uses black ink only. Text stays text you can select and search.
Drop your PDFs here
or browse files
PDF files only · as many as you like
Add more PDFsDrop them here or browse files
Still a document
Text stays text, sharp and searchable, and drawings stay vector. Only gradients and patterns are drawn as grey images, at print resolution.
Never uploaded
Conversion happens in this tab. Filled forms and comments turn grey with the page; nothing is sent anywhere.