JPG and JPEG are the same file formats. No distinction between a .jpg photo and a .jpeg image — both formats apply the identical JPEG compression standard and save photos in the identical manner.
The only difference is purely in the file extension, which is a relic from early computing. JPEG was introduced in 1992 by the Joint Photographic Experts Group. Early Windows launched Windows in the early era, the operating system enforced a restriction: file extensions could only be no more than 3 characters.
Which forced the four-character .jpeg extension to be reduced to .jpg for get more info PC users. Apple and Unix platforms, not having the character limit, used the longer .jpeg extension from the start.
While both file types function the same in almost every modern software, certain cases where a service might need the .jpeg file type. For these situations, changing the extension from .jpg to .jpeg is enough.
No actual file conversion is needed — only changing the extension fixes the compatibility concern usually.
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