CR3 to RW2

Looking to convert CR3 to RW2? Here's the honest answer — and what works instead.

You can't convert CR3 to RW2. RW2 is a camera's own RAW format — it only ever comes out of the camera.

Why CR3 to RW2 isn't possible

1

RW2 is Panasonic's in-camera RAW

RW2 is the raw sensor data a Panasonic 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 RW2 from a finished CR3.

2

A CR3 has already been processed

Your CR3 is a developed, final image. The extra sensor information a RW2 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

RW2 is proprietary to Panasonic. Even other RAW formats (NEF, ARW, RAF…) aren't interchangeable with it — there is no universal "save as RAW" that produces a real RW2.

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:

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Format details

CR3 is Canon’s newer, more efficient raw format used by recent EOS cameras — smaller than CR2 with the same flexibility.

Full nameCanon Raw v3
Developed byCanon
Released2018
Extension.cr3
MIME typeimage/x-canon-cr3
TransparencyNo

CR3 opens in recent Lightroom, Photoshop, Canon DPP and modern raw editors.

RW2 is Panasonic’s raw photo format used by Lumix cameras.

Full namePanasonic Raw
Developed byPanasonic
Released2008
Extension.rw2
MIME typeimage/x-panasonic-rw2
TransparencyNo

RW2 opens in Lightroom, Photoshop and Panasonic software.

Frequently asked questions

No. RW2 stores the raw signal a Panasonic sensor recorded at capture. A CR3 is a finished image with that data already baked in and discarded — there's nothing for a converter to reconstruct.

RAW formats like RW2 give maximum editing latitude — but only when they come straight from the camera. Converting a CR3 to RW2 would just wrap a finished image in a RAW container, with none of the benefits.

DNG is an open RAW container. You can convert a camera's own RAW (including RW2) into DNG, but you still can't turn a regular CR3 into RW2 or any real RAW.

CR3 converts cleanly to PNG, JPG, TIFF and WEBP — free, no sign-up, no watermark.