JPG and JPEG refer to the same image file format. “JPEG” stands for Joint Photographic Experts Group, which is the organization that developed the standard for this file format. “JPG” is simply an abbreviation of the same name.
The JPEG file format is widely used for storing digital photographs and images, and is known for its ability to compress image files without significant loss in image quality. This makes it a popular choice for use on the web and in other digital applications.
So whether you see a file with a “.jpg” or a “.jpeg” extension, you can be assured that it is the same file format and can be opened and viewed using any compatible image viewer or editor.