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Grayscale PDF

Convert a color PDF to black and white to shrink it and save ink.

3 free files a day · No sign-up · No ads

Frequently asked questions

How do I use Grayscale PDF online?

Upload your PDF file, adjust the options if you need to and press Run. PDFMaster processes the file on our servers and gives you the PDF result to download in seconds, with no software to install.

Is Grayscale PDF free?

Yes. You can use Grayscale PDF online for free with 3 files a day, renewed daily, with no account and no ads. Premium removes the daily limit.

Is my document safe?

Files travel over HTTPS and are kept only for the time needed to finish the job. Nothing is shared with third parties and you can delete the output as soon as you have downloaded it.

Guide and use cases

Grayscale PDF: Guide and use cases

Convert a PDF to grayscale to save color ink and reduce file size. All images, text and vector graphics are converted to black-and-white tones while keeping sharpness.

How it works

  1. Upload the color PDF.
  2. Click Convert to grayscale.
  3. Wait a few seconds for processing.
  4. Download the black-and-white PDF.

Use cases

Tips