JPEG and JPG are identical photo formats. There is no distinction between a .jpg file and a .jpeg file — both formats employ exactly the same JPEG compression standard and encode image data in the identical manner.
The sole distinction is only in the file extension, being a legacy issue from the early days of computing. The JPEG format was developed in 1992 by the Joint Photographic Experts Group. Early Windows released early versions of Windows, the system had a limitation: file extensions could only be 3 characters.
Causing the four-character .jpeg extension to be abbreviated to .jpg for PC users. Non-Windows systems, not having the extension limitation, continued using the longer .jpeg file extension from the start.
Although both file types function the same in almost every current applications, there are specific situations where a platform requires the .jpeg file type. For these situations, renaming the file from read more .jpg to .jpeg is sufficient.
No actual conversion of image data is necessary — only changing the file extension solves the compatibility concern almost always.
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