If you have ever saved an picture from the internet and found it appeared with a .jfif file extension instead of the standard .jpg, this happens often. JFIF — short for JPEG File Interchange Format — is a specification which defines how JPEG images is encoded.
Simply put, a JFIF photo is a JPEG image. The .jfif extension shows up mainly while saving files from some web browsers, especially when files are comes with no a defined MIME type.
JFIF files started showing to most people since some web click here browsers — particularly older versions of certain browsers — store JPEG images with the proper .jfif extension if the server omits the file name.
The solution is easy: just rename the file extension from .jfif to .jpg, or use a conversion tool to create a standard JPG file. Either way, the picture quality stays the same.
The easiest method is a simple rename. On Windows, turn on file extension display in File Explorer, click the .jfif file, select Rename and modify the file extension to .jpg.
Try alljpgconverters.com for a completely free web-based JFIF to JPG tool with no download needed.