Open a PDF converter app or website
Upload the photo
Select PDF as the output format
Adjust page size or orientation if needed
Click Convert or Create PDF
Download or save the PDF file
Use the share or print option on your phone if needed
On iPhone, open the photo, tap Share, then select Print and save as PDF
On Android, open the photo, tap Share or Print, then choose Save as PDF
On Windows, open the photo, press Ctrl+P, and choose Microsoft Print to PDF
On Mac, open the photo, click File, then Print, and choose Save as PDF