Panna

Make it black and white

Remove the colour, to save coloured ink.

Free to use. No sign-up. Your files never leave your device.

How it works

  1. Choose the PDF.
  2. Press "Make it black and white".
  3. Save the new PDF.

Questions people ask

Can I still select the words afterwards?

No. Each page becomes a black-and-white picture, so the words can no longer be selected or searched.