How to Add Image to PDF with Preview on macOS Jul 3, 2022 — Open the image you want to paste in Preview.app, select the object and then click the 'Add image' button as shown in the image below. 4 Ways to Insert Image to PDF on macOS Step 2: To insert an image into a PDF on macOS, you can select the object and then click the 'Add Image' button in the 'Edit PDF' window. How to Paste an Image Into a PDF with Preview on macOS Mar 25, 2022 — Open the picture you want to save and select the object. Now click on the 'Add image' button and choose the 'Add image to PDF' from the 'Edit PDF' window. After selecting the image, use your keyboard to zoom and position it as per your needs before pressing 'Enter' on the keyboard. Then you'll need to open Preview.app to view the preview.