JPEG and JPG are exactly the same image formats. There is no technical difference between a .jpg file and a .jpeg photo — both employ the very same JPEG encoding method and encode photos in the identical manner.
The only difference is entirely in the file extension, which is a relic from the early days of computing. JPEG was created in 1992 by the Joint Photographic Experts Group. Early Windows introduced early versions of Windows, the system imposed a limitation: extensions had to be 3 characters.
This forced the 4-character .jpeg suffix to be shortened to .jpg for Windows computers. Non-Windows systems, without this extension limitation, used the full .jpeg file extension from the start.
Even though both file types work identically in nearly all current applications, there are specific scenarios where a service might need the .jpeg file type. For these situations, changing the extension from .jpg to .jpeg is sufficient.
No actual file conversion is required — only renaming the extension solves the problem click here in most cases.
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