Have you ever questioned if JPEG and JPG are separate formats, this is very common. This is one of the most popular questions in digital imaging, and the explanation is straightforward: JPEG and JPG are exactly the same image standard.
The sole difference is the file extension — a 3-character relic of legacy Windows versions unable to support four-character file extensions. Despite this, there are sometimes situations where it helps to change images from .jpeg to .jpg.
JPEG stands for Joint Photographic Experts Group, the group that created the compression method in 1992. Early versions of Windows needed extensions to be no longer than three characters, that is why the format was shortened to JPG.
Nowadays, both extensions are supported by any operating system, browser and program. No matter if a file is named image.jpg or image.jpeg, it opens exactly the same.
Despite being the identical format, a few software specifically expect .jpg files and will not accept .jpeg files due to the suffix. When this happens, renaming the extension from .jpeg to .jpg is all you need.
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