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Supports: CR3
CR3 is Canon's third-generation RAW format, introduced in 2018 with the EOS M50 and now standard across the EOS R mirrorless line. It carries unprocessed sensor data inside an ISO Base Media File Format container (the same family as MP4 and HEIF), which gives modern editors fast random access to thumbnails, metadata, and image data. The trade-off is universality: a CR3 file will open in Canon Digital Photo Professional, Lightroom Classic 8.0+, and Camera Raw 11.3+, but practically nothing else. JPG unlocks the rest of the world.
| Property | CR3 | CR2 | DNG |
|---|---|---|---|
| Introduced | 2018 (EOS M50) | 2004 (EOS-1D Mark II) | 2004 (Adobe) |
| Container | ISOBMFF (ISO/IEC 14496-12) | TIFF/EP | TIFF-based, open spec |
| Compression options | Lossless RAW + lossy C-RAW | Lossless only | Lossless or lossy |
| Typical size (24 MP) | ~25 MB RAW / ~13 MB C-RAW | ~30 MB | ~25–30 MB |
| Editor support | DPP, Lightroom Classic 8.0+, Camera Raw 11.3+ | Broad — most RAW editors | Broadest — open standard |
| Cameras | Canon DIGIC 8 / DIGIC X bodies | Older Canon DSLRs (DIGIC 4 era through 5D Mark IV) | Adobe, Leica, Pentax, Sigma, phone DNGs |
| Camera | Sensor | Processor | Typical CR3 |
|---|---|---|---|
| EOS M50 (2018) | 24.1 MP APS-C | DIGIC 8 | ~25 MB |
| EOS R (2018) | 30.3 MP full-frame | DIGIC 8 | ~30 MB |
| EOS M6 Mark II / 90D | 32.5 MP APS-C | DIGIC 8 | ~35 MB |
| EOS R5 | 45 MP full-frame | DIGIC X | ~45 MB RAW / 10–16 MB C-RAW |
| EOS R6 / R6 Mark II | 20.1 / 24.2 MP full-frame | DIGIC X | ~25 MB RAW / ~13 MB C-RAW |
| EOS R7 | 32.5 MP APS-C | DIGIC X | ~35 MB RAW / ~18 MB C-RAW |
| EOS R8 / R10 / R50 | 24.2 MP | DIGIC X | ~25 MB RAW / ~13 MB C-RAW |
| EOS R3 / R1 | 24 MP / 24 MP stacked | DIGIC X (R1: dual DIGIC X + Accelerator) | ~25 MB |
| Preset | Approx JPG quality | Good for | 24 MP file (typical) |
|---|---|---|---|
| Very High (default) | ~95% | Prints, archival JPGs, zoom-in inspection | 8–12 MB |
| High | ~85% | Client galleries, photo books, full-size delivery | 4–6 MB |
| Medium | ~75% | Instagram, Facebook, blog hero images | 1–2 MB |
| Low | ~60% | Email proofs, contact sheets, lightweight thumbnails | 400–800 KB |
Adobe added CR3 support in Camera Raw 11.3 and Lightroom Classic 8.0 (released April 2019). Older versions, including the perpetual Lightroom 6 and Photoshop CS6, will never read CR3 because Adobe shipped CR3 decoders only into subscription Camera Raw releases. Converting to JPG (or DNG) is the workaround for any editor that pre-dates that cutoff.
Both are wrapped in the same CR3 container, but standard RAW is lossless and C-RAW (Compact RAW) applies visually lossy compression to cut file size by roughly 40–60%. Canon's own guidance is that the quality difference is imperceptible except in extreme shadow recovery on heavily underexposed frames. Our converter handles both transparently — you don't need to pick.
Yes. EXIF metadata — camera body, lens, focal length, aperture, shutter, ISO, GPS if your camera recorded it, and the original capture timestamp — is embedded in the output JPG so stock sites, Lightroom catalogs, and photo-management apps still see the full shoot history.
A CR3 stores roughly 14 bits per pixel of sensor data plus thumbnails and metadata. JPG is 8-bit per channel and uses chroma subsampling and DCT compression, so even at maximum quality it's typically 70–85% smaller. That's a feature for delivery — but keep the originals if you'll edit again.
CR2 (2004) was a TIFF/EP-based lossless RAW used by Canon DSLRs through the 5D Mark IV era. CR3 (2018+) switched to the ISO Base Media File Format container — the same family as MP4 and HEIF — which lets Canon embed multiple resolutions, dual-pixel data, and C-RAW lossy mode in one file. If you have older Canon files, use CR2 to JPG instead.
Yes, the converter reads the embedded primary image. Dual-pixel RAW frames are roughly twice the size of a standard CR3 because they carry both subpixel images, but the JPG output is a normal single-image JPG — the parallax data is consumed by editors like DPP and isn't preserved in JPG.
Canon's free Digital Photo Professional gives you per-image RAW development controls (white balance, picture style, lens corrections), so it's the better choice when you want to fine-tune one or two hero frames. xconvert is faster when you have a card full of files that just need a quick JPG export at consistent settings for proofing, sharing, or upload.
Files are processed in your browser session and removed when the session ends — no permanent storage, no account, no watermark, and no resale of your image data. If you're handling client work under an NDA the same workflow applies.
Use CR3 to PNG for lossless web output, CR3 to TIFF for editing handoff, or CR3 to WebP for smaller-than-JPG web delivery. For multi-image PDFs from a shoot, see CR3 to PDF. Coming from other camera RAWs? Try NEF to JPG (Nikon), ARW to JPG (Sony), or DNG to JPG.