.CR3 · 2018 · 30 MP full-frame

Canon EOS R RAW Files: Open, Cull & Edit .CR3 Free

Canon's first full-frame mirrorless body, adopted early by portrait and event shooters transitioning off EOS DSLRs. An 8 fps burst combined with 30 MP files means moderate-length shoots still generate meaningful storage and culling demands. Early RF-mount adopters often shot the same setup multiple ways while learning the new autofocus system, adding to the frame count worth thinning.

Canon EOS R RAW at a glance

RAW formatCR3 — Canon RAW 3 (.CR3)
Sensor30 MP full-frame
Resolution30 megapixels
Typical RAW sizeabout 30-40 MB
Released2018
RAW options14-bit CR3 RAW with a standard and smaller C-RAW option, Canon's first full-frame mirrorless implementation.

Editing EOS R files with imagic

imagic opens .CR3 files from the Canon EOS R natively on Windows and macOS. Point it at a card or shoot folder and it builds previews, scores every frame for sharpness, closed eyes, and composition, and groups near-duplicate bursts — so a full shoot collapses to its keepers before you edit anything.

Processing runs through the bundled RawTherapee engine, entirely on your machine: batch-apply one look across the keepers and export JPEGs in a single pass. Nothing uploads, which matters at about 30-40 MB per frame. The 7-day trial is full-featured and needs no card; licenses are one-time, from €19.

Frequently asked questions

What RAW format does the Canon EOS R use?

The Canon EOS R writes CR3 files with the .CR3 extension. 14-bit CR3 RAW with a standard and smaller C-RAW option, Canon's first full-frame mirrorless implementation.

How big are Canon EOS R RAW files?

Expect about 30-40 MB per frame from the 30 MP full-frame sensor, depending on compression settings and scene detail. A full shoot adds up quickly, which is why culling before editing matters on this body.

How can I open Canon EOS R .CR3 files for free?

imagic opens CR3 files from the Canon EOS R natively on Windows and macOS — the 7-day trial needs no card. It culls the shoot with AI quality scoring, groups duplicates, and batch-processes keepers locally through its RawTherapee engine.

More about CR3

The EOS R's .CR3 files share their structure with every Canon body using CR3 — the full CR3 guide covers compression variants, free openers, and conversion options in depth.

Other Canon bodies

Canon EOS RP Canon EOS R5 Canon EOS R6 Canon EOS R6 Mark II Canon EOS R3 Canon EOS R5 Mark II Canon EOS R8 Canon EOS R7

Cull a EOS R shoot before your coffee cools

AI quality scoring, duplicate grouping, and local batch processing for .CR3 — free for 7 days, no card required.

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