Grayscale PDF
Convert your PDF to black and white.
Remove all colour from every page of your PDF. Great for black-and-white printing, archiving, or reducing ink usage.
Drop your PDF here, or browse
Free · No sign-in · Processed in browser
🔒 Processed entirely in your browser — your file never leaves your device.
Features
Strip colour from any PDF
- ✓Converts all pages — colour and greyscale alike
- ✓Accurate luminance-weighted greyscale formula
- ✓Choose High, Medium, or Low output quality
- ✓Progress bar shows page-by-page status
- ✓Smaller file size than the original
- ✓Your file never leaves the browser
How to use
Upload
Drop your PDF into the upload area.
Quality
Choose High, Medium, or Low output quality.
Convert
Click Convert to Grayscale — each page is processed in order.
Download
Download your black-and-white PDF.
Frequently asked questions
More PDF tools
Crop PDF
Set custom crop margins in millimetres and apply them to every page of your PDF at once. Perfect for removing excess whitespace before printing or presentation. 100% in your browser.
Flatten PDF
Bake all interactive form fields — text inputs, checkboxes, dropdowns, signatures — into static page content so recipients can read but not edit them. 100% in your browser.
Rotate PDF
Rotate one, several, or all pages in your PDF. Choose 90°, 180°, or 270° rotation per page.