JPEG and JPG are exactly the same photo formats. No distinction between a .jpg image and a .jpeg file — they both use the identical JPEG compression standard and store image data in the exact same format.
The sole distinction is only in the suffix, being a legacy issue from early computer history. The JPEG format was created in 1992 by the Joint Photographic Experts Group. When Microsoft introduced early versions of Windows, the system imposed a restriction: file extensions had to be no more than 3 characters.
Causing the four-character bulk jpg to jpeg converter .jpeg suffix to be abbreviated to .jpg for PC users. Mac and Unix systems, not having the character limit, could use the longer .jpeg extension from the beginning.
Even though both extensions work identically in nearly all current applications, there are specific scenarios in which a platform requires the .jpeg extension. When this happens, renaming the file from .jpg to .jpeg is all that is needed.
No image data conversion is required — only renaming the extension solves the problem usually.
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