If you have ever asked whether JPEG and JPG are separate file types, this is a frequent question. It is one of the most popular topics in image conversion, and the explanation is straightforward: JPEG and JPG are identical file type.
The sole difference is the file extension — a three-letter leftover of legacy Windows versions which could not handle four-character suffixes. Even so, there are sometimes situations when you might need to change files from .jpeg to .jpg.
JPEG stands 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 read more the extension was shortened to JPG.
Today, .jpg and .jpeg are supported by any OS, browser and program. Regardless of whether a image is named image.jpg or image.jpeg, it will open exactly the same.
Although they are the same format, certain legacy systems only accept .jpg files and will not accept .jpeg files due to the extension alone. When this happens, renaming the file extension from .jpeg to .jpg is all you need.
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