JPEG and JPG are identical file formats. There is no technical difference between a .jpg file and a .jpeg photo — both use the very same JPEG compression algorithm and store photos in the identical manner.
The sole distinction is entirely in the extension, being a legacy issue from the early days of computing. JPEG was created in 1992 by the Joint Photographic Experts Group. When Microsoft introduced Windows in the early era, the system imposed a restriction: file extensions had to be no more than 3 characters.
Causing the four-character .jpeg suffix to be reduced to .jpg for PC users. Apple and Unix platforms, which never had the character limit, could use the longer .jpeg file extension from the beginning.
Even though both file types 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 necessary — just updating the file extension resolves get more info the problem in most cases.
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