Many people have wondered whether JPEG and JPG are different formats, this is very common. This is one of the most common questions in digital imaging, and the answer is clear: JPEG and JPG are the same image standard.
The difference is the extension — a 3-character relic of legacy Windows OS unable to support four-character suffixes. Regardless, there are sometimes cases when you might need to change files from .jpeg to .jpg.
JPEG is short for Joint Photographic Experts Group, the group which developed the standard in 1992. Early versions of Windows enforced extensions to be maximum 3 characters, hence why the format became JPG.
Nowadays, both file types are recognized by any more info OS, web browser and software. 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 require .jpg files and can reject .jpeg files because of the file extension. In these cases, changing the extension from .jpeg to .jpg is sufficient.
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