Got a .jfif file that won't open? It's just a JPEG with an odd extension — convert it to a standard .jpg right here in your browser.
.jfif, .jif, .jpe · up to 10 at once · 50 MB each
Four steps, a few seconds, zero uploads.
Drag images onto the box above, or click Browse to pick them from your device.
Choose a JPG quality level (default 92%) for the re-encoded output.
Latch re-encodes each JFIF as a standard JPG using the browser's Canvas API — instantly and offline.
Save them one at a time, or grab everything at once in a single zip. That's it.
Here's the thing most people don't realise: a .jfif file is a JPEG. JFIF (JPEG File Interchange Format) is the standard container that JPEG image data sits in — the bytes inside a .jfif are identical to those in a .jpg. The only difference is the three or four letters after the dot.
So why does it cause trouble? Some browsers and email clients — most famously older versions of Windows and Edge — save downloaded JPEGs with a .jfif extension. Apps that only recognise .jpg then refuse to open the file, even though the image is perfectly valid.
This tool decodes the JFIF and re-encodes it as a standard .jpg — fixing the extension so the file opens in any app, on any device. Everything happens in your browser; the image never leaves your device.
JFIF (JPEG File Interchange Format) is the standard container for JPEG image data. A .jfif file is simply a JPEG saved with a different file extension — the image data inside is identical to a .jpg. This tool re-encodes it to the standard .jpg that every app expects.
Essentially, yes. JFIF and JPG describe the same compressed image data — the only practical difference is the file extension. Some software saves images as .jfif, which can confuse apps that only recognise .jpg. Converting fixes the extension so the file opens everywhere.
Certain browsers and email clients save downloaded JPEG images with a .jfif extension instead of .jpg — a long-standing Windows quirk. The image is fine; only the extension is unusual. Converting here gives you a normal .jpg.
92% is a great default — visually almost identical to the original with a manageable file size. Because the source is already JPEG, higher settings avoid adding further compression; lower settings shrink the file at some cost to sharpness.
Yes. Drop up to 10 JFIF files at once and they'll all convert in one go. When done, download them individually or as a single zip file.