JPEG and JPG are identical file formats. There is no technical difference between a .jpg image and a .jpeg image — they both use exactly the same JPEG compression standard and save image data in the same way.
The difference is purely in the file extension, which is a relic from early computing. JPEG was created in 1992 by the Joint Photographic Experts Group. Early Windows launched Windows in the early era, the operating system had a constraint: extensions were limited to be three characters long.
This forced the 4-character .jpeg suffix to be shortened to .jpg for Windows users. Non-Windows systems, not having this three-character restriction, continued using the complete .jpeg extension from the outset.
Although both extensions perform equally in almost every modern software, certain cases where a service might need the .jpeg file type. For these situations, renaming the file from .jpg to .jpeg is all that is needed.
No image data click here conversion is necessary — just updating the file extension resolves the problem in most cases.
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