To turn a picture into a PDF on iPhone, follow these steps:

1.Open the Photos app on your iPhone.

2.Find the picture you want to convert into a PDF and tap on it to open it.

3.Tap on the Share button, which is represented by a square with an upward arrow.

4.Scroll down on the Share sheet and select “Print.”

5.From the Printer Options screen, use the pinch-to-zoom gesture to zoom in on the preview of the photo.

6.With the zoomed-in preview, use a spreading motion with two fingers to open up the Share sheet.

7.On the second row of icons on the Share sheet, you’ll find a “Create PDF” option. Tap on it.

8.A PDF preview of the picture will be displayed. You can make additional edits or add more pages if needed.

9.Once you’re satisfied with the PDF, tap on the Share button at the top right corner.

10.Choose how you want to share or save the PDF, such as sending it via email or saving it to a cloud storage service.

That’s it! You have successfully turned a picture into a PDF on your iPhone.