JPG vs JPEG: What is the Difference?
Understand the difference between JPG and JPEG. History, file extension differences, compatibility, and format facts explained.
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About JPG vs JPEG: What is the Difference?
The short answer: JPG and JPEG are the exact same image format! There is zero difference in compression algorithms, image quality, color depth, or file structure.
The reason both extensions exist dates back to early Windows operating systems (MS-DOS and Windows 95), which enforced a strict 3-letter file extension limit (.JPG). Meanwhile, Unix and Macintosh systems used the standard 4-letter .JPEG extension.
Today, modern operating systems support both seamlessly, and all web browsers, cameras, and software treat .jpg and .jpeg identically.
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