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JFIF to JPG

A .jfif is a JPEG with an unusual name. Get a proper .jpg in seconds, right on your device.

Drop your .jfif files here

  • Files never leave your device
  • Unlimited · No signup

JFIF to JPG in 3 steps

  1. Pick the .jfif files from your Downloads folder.
  2. Press "Convert to JPG"; each file is re-saved as a real .jpg.
  3. Save the .jpg files; a batch downloads as a ZIP.

Why ConvertKoala?

  • Upload forms stop complaining

    Many sites only allow .jpg, .jpeg or .png and refuse .jfif. A real .jpg file gets through.

  • Many files, no renaming

    Fixing one file by hand is easy; fixing forty is not. Drop them all and get .jpg back in one ZIP.

  • Works where renaming is awkward

    On phones and locked-down work PCs you often can’t edit file extensions. This page sidesteps that.

  • Kept on your machine

    Your images are processed in the browser and never sent to a server.

Frequently asked questions

What is a JFIF file?

JFIF (JPEG File Interchange Format) is the most common way JPEG images are stored. So a .jfif file is simply a JPEG photo. Only the extension is unusual, which confuses upload forms and some apps.

Why do my downloads save as .jfif?

On some Windows PCs a registry setting links the JPEG image type to the .jfif extension. Chrome and Edge read that setting when saving pictures, so JPEGs from the web land as .jfif instead of .jpg.

Can I just rename .jfif to .jpg?

Usually, yes, and it is the most faithful fix because the data stays untouched. In File Explorer turn on "File name extensions" under View, then rename the file. This tool is handy when you have many files, can’t see or edit extensions, or are on a phone.

Does this tool change the image?

It decodes the picture and saves a fresh JPG at about 92% quality. The result looks the same, though it isn’t a byte-for-byte copy like a rename would be.

How do I stop Windows saving .jfif?

Advanced users can open the Registry Editor, go to HKEY_CLASSES_ROOT\MIME\Database\Content Type\image/jpeg and set the "Extension" value to .jpg. Back up the registry first; if you’re unsure, keep converting or renaming instead.

Is .jpeg any different from .jpg?

No. .jpg, .jpeg and .jfif all hold the same kind of image. The .jpg spelling is just the one every website accepts.

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