Sobre os arquivos CR2
Canon RAW CR2
Formato RAW de câmeras Canon EOS legacy (5D Mark III, 7D, 80D). Preserva máxima qualidade do sensor para edição profissional. Substituído por CR3 em câmeras Canon modernas.
Família
Raster & Vector Images
Extensão
.cr2
Tipo MIME
image/x-canon-cr2
Pode ser usado como
COMO NASCEU O
FORMATO CR2.
Canon CR2 (Canon RAW version 2) shipped in 2004 with the EOS-1D Mark II, replacing the earlier CRW format that had been used since the D30 (2000). Technically CR2 is a TIFF variant — specifically a TIFF/EP file with Canon’s own proprietary metadata tags for shooting parameters, picture styles, and lens-correction data.
Canon maintained CR2 for over 13 years, through every Rebel, 5D Mark II/III/IV, and 1D series body until 2018, when the EOS M50 introduced CR3. A CR2 file from 2004 still opens in modern Canon DPP or Adobe Camera Raw — a remarkable feat of backward compatibility.
CURIOSIDADES E
FATOS INTERESSANTES.
CR2 is a TIFF file under the hood — the format extension is Canon's private IFD (Image File Directory) of tags.
Every Canon DSLR from 2004 to 2018 shot CR2 — billions of RAW files in the format still exist in wedding, sports, and nature photographer archives.
The CR2 file contains a full-resolution JPEG preview alongside the raw sensor data — which is what most software uses for thumbnails.
Canon DPP (Digital Photo Professional) is the only software that applies Canon Picture Styles exactly as the camera intended.
Canon does not publish the CR2 specification — every third-party RAW processor (Lightroom, Capture One, Darktable) reverse-engineered it.
VANTAGENS E
LIMITAÇÕES.
Vantagens
- Mature — 13 years of camera bodies and tooling.
- Preserves every bit of Canon sensor data for post-processing.
- Embedded JPEG preview makes browsing fast.
- Supported by every major raw processor.
Limitações
- Proprietary — no official spec, tool support depends on reverse engineering.
- Canon-only tags (Picture Styles, DPP adjustments) are lost when processed outside DPP.
- Superseded by CR3 in 2018 — format is frozen.
- File sizes are large (20-40 MB typical).
Tamanhos típicos de arquivo
22 MP CR2 (5D Mark III)
25-35 MB
50 MP CR2 (5DS/5DS R)
55-75 MB
Especificações técnicas
- MIME type
- image/x-canon-cr2
- Extension
- .cr2
- Container
- TIFF/EP with Canon private tags
- Bit depth
- 14-bit (most bodies); 12-bit (some)
- Successor
- .cr3 (EOS M50 onward, 2018)
CONVERTER A PARTIR DE
CR2
Casos de uso comuns
Canon DSLR photography
Formatos relacionados
Comparativos populares
CR2 vs JPG
Diferenças, tamanho de arquivo e quando escolher cada formato.
CR2 vs PNG
Diferenças, tamanho de arquivo e quando escolher cada formato.
CR2 vs WEBP
Diferenças, tamanho de arquivo e quando escolher cada formato.
CR2 vs AVIF
Diferenças, tamanho de arquivo e quando escolher cada formato.
CR2 vs GIF
Diferenças, tamanho de arquivo e quando escolher cada formato.
CR2 vs BMP
Diferenças, tamanho de arquivo e quando escolher cada formato.
Conversões populares de CR2
Os destinos mais procurados ao converter arquivos CR2.
Perguntas frequentes sobre CR2
Perguntas frequentes
CR2 (Canon RAW CR2) is an image formato used to store raster graphics — a two-dimensional grid of pixels describing a picture. It is part of the raster & vector images family e designed around a specific trade-off between tamanho do arquivo, visual fidelity, e feature support (transparency, colour depth, compressão type). Photographers, web designers, e content creators choose CR2 when its particular strengths match the publishing target.
Most desktop photo viewers (Windows Photos, macOS Preview, GIMP, Photoshop, Affinity Photo) abrir CR2 natively. On mobile, iOS Photos e Google Photos display CR2 no gallery when suportado por the OS. If the formato is rare ou new, converter to JPG ou PNG first — both are universally readable — usando our CR2 to JPG ou CR2 to PNG converter.
Upload the CR2 to KaijuConverter e pick a target formato (JPG, PNG, WebP, HEIC, TIFF, BMP, SVG, PDF). The conversion runs in o navegador via ImageMagick e returns a baixar in seconds. No account ou installation required; both input e output delete automatically within two hours.
Depende de the task. JPG is the smallest tamanho do arquivo para photographs; PNG is sem perdas com transparência; CR2 has its own niche that may favour colour depth, animation, ou codificação efficiency over one ou both of those. para the final web publish, test all three e measure tamanho do arquivo plus visible quality on real content.