When a gray PDF helps
Color costs money on a printer, and many forms, slides and scans look the same without it. A grayscale copy prints with black toner only, avoids surprises when a color page comes out as muddy tones, and is easier on the eyes for long reading. This tool turns the colors of a PDF into shades of gray and gives you a new file, while the original stays as it was.
Make a PDF gray in four steps
- Choose the PDF or drop it on the page. It stays on your device.
- Pick a method: Keep text sharp or Turn pages into gray pictures.
- Optionally type the pages to convert, for example 1-3, 5. Empty means every page.
- Press Make gray and save PDF and download the result.
Two methods and their trade-offs
The first method lays a gray layer with the PDF blend mode “Color” over every page. Brightness comes from the page, hue and saturation from the gray, so everything turns gray while text stays real text, searchable and sharp at any zoom. The colors are only covered, not deleted, and a viewer that ignores blend modes may still show them. The second method draws each page, converts the pixels to gray and stores a JPEG per page. It works everywhere and can shrink a heavy file, but the text becomes part of the picture and links are lost.
Typical uses
- Printing a colorful report or slide deck with black toner only.
- Making a scan with a yellow tint easier to read.
- Preparing a document for a grayscale e-reader.
- Checking how a design looks without color for accessibility.
What stays on your device
Rendering, color conversion and saving all happen in your browser. The file is not sent to a server, and no account is needed.