If you have photos that you want to convert to JPEG on your iPhone, there are a few steps that you need to take. First, open the Photos app and select the photos that you want to convert. Next, tap on the three lines in the top left corner of the Photos app and select “Convert To.” In the “Convert To” window, select “JPEG” from the dropdown menu and then enter a filename for the converted photo in the “File Name” field. Finally, tap on “Convert” and wait for the photo conversion process to finish. ..