Open a JPG to PDF converter tool or app
Upload the JPG file
Select PDF as the output format
Adjust page size, orientation, and quality if needed
Click Convert or Export
Download the PDF file
Use a printer option and choose Save as PDF if no converter is available
On Windows, open the JPG, press Ctrl+P, and select Microsoft Print to PDF
On Mac, open the JPG, press Command+P, and choose Save as PDF
On mobile, use a file converter app or the Share/Print option to save as PDF