You do know that something similar is true for JPEG, right? :) JPEG is a compression method. Files with JPEG-compressed data are most likely to be in either JF

You do know that something similar is true for JPEG, right? :) JPEG is a compression method. Files with JPEG-compressed data are most likely to be in either JFIF or EXIF container formats. Both will almost always use the .jpg/.jpeg file extension.