Sometimes Windows 10 saves JPG files as JFIF files. It seems to happen most often when saving images in browsers but doesn’t seem to be limited to them. The cause of the issue is an incorrect file association in the registry which appeared after the Windows 10 Creators update. This can be a hassle for those of us using programs that will not accept that format!
What is a JFIF file anyway? It’s the JPEG File Interchange Format. It seems to have been around since the early 1990’s, which proves once again there’s always something new to learn about computers.
The fix is to edit the registry of Windows 10 and change the image association type. BUT….that can be dangerous for those who are not experienced, so I wrote a simple .reg file that will do it for you. Of course, it’s still wise to backup your reg file before using this, but it does work well.
Basically, we are changing the following entry in the Windows reg file. If your comfortable making changes in the registry, here’s the path:
HKEY_CLASSES_ROOT > MIME > Database > Content Type > image/jpeg > Extension > Modify > Edit string > change Value data to .jpg
To make this even easier, just download my jpgNOTjfif.reg file here, pace it on the desktop, double click on it and accept the changes. That’s it! Now when you try to download a file and it has a jfif extension, it will download as a jpg instead.
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