Have you ever asked if JPEG and JPG are separate file types, this is a frequent question. It is one of the most frequent queries in photo editing, and the answer is simple: JPEG and JPG are the same image standard.
The difference is the suffix — a 3-character remnant of early Windows OS unable to support 4-character extensions. Regardless, there are occasionally cases where it helps to change files from .jpeg to .jpg.
JPEG stands for Joint Photographic Experts Group, the group responsible for the standard in 1992. Early versions of Windows enforced file extensions to be no longer than 3 characters, change jpeg extension to jpg 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 named image.jpg or image.jpeg, it will open exactly the same.
Although they are 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 extension from .jpeg to .jpg is enough.
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