PDF to Grayscale

Convert a colour PDF to black and white to save ink when printing. Free online pdf to grayscale that runs in your browser — no upload, no watermark, no sign-…

Select PDF file

or drop files here

Processed on your device — nothing is uploaded.

About the pdf to grayscale

PDF to Grayscale is a free online tool that lets you convert a colour PDF to black and white to save ink when printing in seconds. Everything happens locally inside your browser, so your files and text never leave your device and nothing is ever uploaded to a server. That makes it a safe choice for private, sensitive or work documents — and it also means the tool stays fast even on a phone or a slow connection. There is no account to create, no email to hand over, no daily limit and no watermark on anything you produce. It's built for students, freelancers and office professionals who need a reliable result right now, then want to get on with their day.

How it works

  1. 1. Drop your file into the box above (or tap to browse).
  2. 2. Adjust the options if you want a different result.
  3. 3. Press “Convert to grayscale” — processing happens on your device.
  4. 4. Download or copy your result instantly. Nothing is stored anywhere.

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