If you have ever questioned whether JPEG and JPG are distinct formats, this is a frequent question. This is one of the most frequent topics in digital imaging, and the answer is straightforward: JPEG and JPG are the same format.
The sole difference is the extension — a short relic of early Windows operating systems which could not use longer suffixes. Despite this, there are still cases where you might need to change images from .jpeg to .jpg.
JPEG is short for Joint Photographic Experts Group, the group responsible for the compression method in 1992. Early versions of Windows required file extensions to be no longer than three characters, which is why the extension is known as JPG.
Nowadays, .jpg and .jpeg are accepted by any platform, web browser and software. Regardless of whether a file is named image.jpg or image.jpeg, it will open identically.
Despite being the same format, a few software only accept .jpg files and may reject .jpeg files because of the suffix. For these situations, renaming the extension from .jpeg to .jpg is enough.
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