What a CR3 file is
CR3 replaced CR2 in 2018 with the EOS M50. It is an ISO media container (the same family as MP4) holding Canon's CRX-coded sensor data, either full RAW or the smaller lossy C-RAW, and a full-size JPEG. Older Windows and Lightroom versions cannot open it.
Cameras that record CR3 include the EOS R, RP, R5, R6, R6 Mark II, R7, R8, R10, R50, R100, 90D, 250D, 850D, M50, M6 Mark II, PowerShot G5 X Mark II.
The JPEG inside a CR3
A CR3 file also carries the JPEG the camera made: full size: 6000 × 4000 on an EOS M50. C-RAW is lossy inside the camera; the converter reads it like any other CR3.
Converting CR3 to JPG here
- Drop one or many CR3 files on the converter, or choose them.
- Keep “Develop the RAW” for the full sensor, or choose “Use the camera's JPEG” for its exact look.
- Choose JPG (and its quality) or a 16-bit TIFF, the size, and the brightness if the camera's was not what you wanted.
- Press Convert. Each file can be downloaded as soon as it is ready, or all of them as one ZIP.
What it does not do
- No lens corrections: distortion and vignetting that the camera removes from its own JPEG stay in the developed picture (most visible on Micro Four Thirds).
- No sharpening and no noise reduction: the developed picture is what the sensor recorded, which at 100 % looks softer and grainier than a camera JPEG.
- No picture styles or film simulations: the developed colour is neutral. The camera's own JPEG keeps them.
- Apple ProRAW and other already-demosaiced (linear) DNGs are refused by name, not guessed at.
- Memory: a 24-megapixel file needs about 0.5 GB while it is developed, a 60-megapixel one about 1.3 GB. Files are converted one at a time so a batch does not add up.
Other formats: CR2 to JPG · NEF to JPG · ARW to JPG · RAF to JPG · ORF to JPG · RW2 to JPG · PEF to JPG · DNG to JPG · every RAW