CR2 is Canon's in-camera RAW
CR2 is the raw sensor data a Canon 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 CR2 from a finished NEF.
Looking to convert NEF to CR2? Here's the honest answer — and what works instead.
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NEF is Nikon’s raw photo format, preserving all sensor data so you can adjust exposure and white balance without quality loss.
NEF opens in Nikon NX Studio, Lightroom, Photoshop and most raw editors.
CR2 is Canon’s older raw photo format, holding unprocessed sensor data from EOS cameras for maximum editing flexibility.
CR2 opens in Canon DPP, Lightroom, Photoshop and most raw editors.
No. CR2 stores the raw signal a Canon sensor recorded at capture. A NEF is a finished image with that data already baked in and discarded — there's nothing for a converter to reconstruct.
RAW formats like CR2 give maximum editing latitude — but only when they come straight from the camera. Converting a NEF to CR2 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 CR2) into DNG, but you still can't turn a regular NEF into CR2 or any real RAW.
NEF converts cleanly to PNG, JPG, TIFF and WEBP — free, no sign-up, no watermark.