You can convert a JFIF file to JPG, though the two formats are nearly identical, and most software will open a JFIF file as a JPG.

How to convert PNG to JPG on Mac You can save PNG files as JPGs in a number of common Mac apps, but the easiest is to use Preview. 1. Start Finder and then locate the PNG file you want to convert ...

However, you can open .jxl images on your Windows computer with third-party file viewing apps. Alternatively, you can convert your JPEG XL images to a supported file format to view them on your PC.