Have you ever questioned if JPEG and JPG are different formats, you are not alone. This is one of the most common questions in digital imaging, and the explanation is clear: JPEG and JPG are the same image standard.
The difference is the extension — a 3-character relic of early Windows OS unable to support four-character extensions. Regardless, there are sometimes situations when it helps to change files from .jpeg to .jpg.
JPEG is short for Joint Photographic Experts Group, the group which developed the format in 1992. Legacy versions of Windows needed file extensions to be only 3 characters, which is why the extension was shortened to JPG.
Today, .jpg and .jpeg are supported by any OS, browser and program. Regardless of whether a more info image is named image.jpg or image.jpeg, it will open exactly the same.
Despite being the same file type, certain legacy systems only accept .jpg files and will not accept .jpeg files due to the extension alone. For these situations, renaming the file extension from .jpeg to .jpg is all you need.
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