I can find no answers to changing the font size on a photo in Preview. It is not a PDF. All the answers I've seen are for PDF or from years ago. Thanks.


If you are using the Markup feature to add annotations to the image, you need to have the Markup Toolbar enabled:

enter image description here

Text options are then available:

enter image description here

  • Thank you. So simple when you know how. I appreciate the help. – alison Sep 19 '17 at 2:49
  • If this is indeed the solution you were looking for, then accept it as the best answer! – IconDaemon Sep 20 '17 at 13:15

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