Open the photo in an image editor or converter
Choose the option to save, export, or convert
Select JPG or JPEG as the file format
Adjust quality settings if needed
Save the file with a new name
Use an online converter if you do not have editing software
Upload the photo to the converter
Select JPG as the output format
Download the converted JPG file
Rename the file extension to .jpg only if the image is already in JPG format