Many people have questioned whether JPEG and JPG are different formats, you are not alone. This is one of the most common topics in image conversion, and the explanation is clear: JPEG and JPG are identical file type.
The sole difference is the extension — a three-letter relic of legacy Windows OS which could not support four-character extensions. Regardless, there are sometimes cases where it helps to change files from .jpeg to .jpg.
JPEG stands for Joint Photographic Experts Group, the group which developed the standard in 1992. Early versions of Windows enforced file extensions to be no longer than 3 characters, hence why the extension was shortened to JPG.
Today, .jpg and .jpeg are supported by every platform, browser and program. Regardless of whether a file is stored check here as image.jpg or image.jpeg, it opens exactly the same.
Although they are the same format, a few platforms require .jpg files and can reject .jpeg files because of the file extension. When this happens, changing the file extension from .jpeg to .jpg is sufficient.
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