Image Converter

Convert JPEG to 3FR

Looking to turn a JPEG into a 3FR file? Here's the honest answer — and what actually works instead.

You can't convert JPEG to 3FR. 3FR is a camera's own RAW format — it only ever comes out of the camera.

Why JPEG to 3FR isn't possible

1

3FR is Hasselblad's in-camera RAW

3FR is the raw sensor data a Hasselblad camera writes at the moment of capture. It's produced by the camera's own hardware and firmware — software can read it, but nothing can manufacture a genuine 3FR from a finished JPEG.

2

A JPEG has already been processed

Your JPEG is a developed, final image. The extra sensor information a 3FR carries — wider dynamic range, full color depth, untouched highlights — was discarded when the photo was first saved, and can't be put back.

3

It is locked to one camera maker

3FR is proprietary to Hasselblad. Even other RAW formats (NEF, ARW, RAF…) aren't interchangeable with it — there is no universal "save as RAW" that produces a real 3FR.

The RAW formats — and where they come from

Every real RAW file is one of these camera-maker-specific formats, written by the camera itself:

Format details

What is a JPEG file?

JPG (JPEG) is a lossy raster format that compresses photographs into small files by discarding detail the eye barely notices — the most widely used photo format on the web and in cameras.

Full name
Joint Photographic Experts Group
Developed by
JPEG Group
Released
1992
Extension
.jpeg
MIME type
image/jpeg
Transparency
No

How to open JPG opens in every browser, image viewer and editor with no special software.

Full JPEG format guide

What is a 3FR file?

3FR is Hasselblad’s raw format from medium-format cameras.

Full name
Hasselblad Raw
Developed by
Hasselblad
Released
2004
Extension
.3fr
MIME type
image/x-hasselblad-3fr
Transparency
No

How to open 3FR opens in Phocus and Adobe Camera Raw.

Full 3FR format guide

What you can do instead

Frequently asked questions

Can any tool convert JPEG to 3FR?
No. 3FR stores the raw signal a Hasselblad sensor recorded at capture. A JPEG is a finished image with that data already baked in and discarded — there's nothing for a converter to reconstruct.
Why would I want 3FR anyway?
RAW formats like 3FR give maximum editing latitude — but only when they come straight from the camera. Converting a JPEG to 3FR would just wrap a finished image in a RAW container, with none of the benefits.
Is DNG different?
DNG is an open RAW container. You can convert a camera's own RAW (including 3FR) into DNG, but you still can't turn a regular JPEG into 3FR or any real RAW.
What can I convert my JPEG to instead?
JPEG converts cleanly to PNG, JPG, TIFF and WEBP — free, no sign-up, no watermark.