JPG and JPEG are the same photo formats. There is no technical difference between a .jpg file and a .jpeg file — they both use exactly the same JPEG compression algorithm and store pictures in the exact same format.
The sole distinction is only in the extension, being a historical artifact from early computer history. The JPEG format was introduced in 1992 by the Joint Photographic Experts Group. The Windows operating system launched Windows in the early era, the operating system had get more info a constraint: extensions could only be three characters long.
Which forced the 4-character .jpeg extension to be shortened to .jpg for Windows computers. Apple and Unix platforms, without this extension limitation, used the full .jpeg file extension from the start.
While both file types work identically in nearly all current applications, there are specific scenarios in which a service might need the .jpeg extension. When this happens, renaming the file from .jpg to .jpeg is enough.
No real conversion of image data is needed — simply changing the file extension fixes the issue usually.
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