Latch

JFIF to PNG converter

Got a .jfif file you need as a PNG? It's just a JPEG with an odd extension — convert it to a lossless, universally-supported .png right here in your browser.

Your files never leave this device

.jfif, .jif, .jpe · up to 10 at once · 50 MB each

Convert your images

Drag & drop your JFIF images

Accepts .jfif, .jif, .jpe · up to 10 files, 50 MB each

How to convert JFIF to PNG

Four steps, a few seconds, zero uploads.

1

Add your JFIF files

Drag images onto the box above, or click Browse to pick them from your device.

2

We convert locally

Latch decodes each JFIF and re-encodes it as a PNG using the browser's Canvas API — instantly and offline.

3

Lossless PNG output

PNG stores the decoded image exactly — no further compression is added on top of the original.

4

Download your PNGs

Save them one at a time, or grab everything at once in a single zip. That's it.

JFIF to PNG, explained

A .jfif file is a JPEG. JFIF (JPEG File Interchange Format) is the standard container that JPEG image data sits in, so the bytes inside are identical to a .jpg. Converting to PNG decodes that image and re-saves it in PNG's lossless format.

Why choose PNG? If an app or upload form specifically wants a PNG, or you're about to edit the image and don't want to lose any more quality, PNG is the right target — it stores every decoded pixel exactly. The trade-off is file size: a PNG of a photo is usually several times larger than the JFIF.

One honest caveat: converting to PNG can't restore quality. The JFIF's JPEG compression already happened and is permanent — PNG simply prevents any further loss from here. If you just want a normal, compact photo that opens everywhere, JFIF to JPG is the simpler choice. Everything happens in your browser; the image never leaves your device.

Frequently asked

What is a JFIF file?

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 decodes it and saves it as a PNG.

Is JFIF the same as JPG?

Essentially, yes. JFIF and JPG describe the same compressed image data — the only practical difference is the file extension. Some software and websites save images as .jfif, which can confuse apps that only recognise more common formats.

Why convert JFIF to PNG instead of JPG?

PNG is a lossless, universally-supported format. Convert to PNG when an app or upload form specifically requires PNG, or when you want to edit the image without losing any more quality. Bear in mind the PNG will be larger than the JFIF — if you just want a normal, compact photo, converting JFIF to JPG is the simpler choice.

Does converting JFIF to PNG improve quality?

No. The JFIF is already JPEG-compressed and that compression is permanent — PNG cannot recover detail that was lost. What PNG does do is store the decoded image losslessly, so no further quality is lost from this point on, at the cost of a larger file.

Can I convert multiple JFIF files to PNG at once?

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.

Are my files uploaded anywhere?

No. Every JFIF is decoded and re-encoded by your own browser using the Canvas API. Nothing is sent to a server — the tool works offline too.

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