You might want to open two files in two separate windows to compare them. Also, if you want to edit two files simultaneously, you need to open them separately. That is why you can change Notepad ...
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 ...
You can AirDrop photos as a JPG by manually converting HEIC to JPG or always saving in the JPG format.
The Preview app for iPhone is a new addition in iOS 26. Find out what it can do and how it can improve your workflow.