JPG to JPEG Exact same Format Distinct Extension

These two formats are identical file formats. There is absolutely no difference between a .jpg image and a .jpeg image — both formats use exactly the same JPEG compression standard and store image data in the same way.

The difference is purely in the suffix, as it is a relic from the early days of computing. JPEG was created in 1992 by the Joint Photographic Experts Group. When Microsoft introduced early versions of Windows, the OS imposed a limitation: extensions were limited to be 3 characters.

This forced the 4-character .jpeg suffix to be shortened to .jpg for Windows computers. Non-Windows systems, without website this three-character restriction, continued using the complete .jpeg file extension from the start.

While both file types function the same in virtually all today's programs, some situations when a platform requires the .jpeg extension. When this happens, renaming the file from .jpg to .jpeg is all that is needed.

No image data conversion is necessary — just updating the file extension resolves the issue almost always.

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