Camera Image File Format 1.0
Writableraw-photo
The .CRW file format (Canon RAW version 1) is a digital photography RAW format created by Canon.
Identify it
| Extensions | .crw |
|---|---|
| MIME types | image/x-canon-crw |
| Signatures | 49491a0000004845415043434452 at byte 0 (Canon RAW 1)49491a00000048454150434344520200 at byte 0 |
| PRONOM | fmt/593 |
| Wikidata | Q3651247 |
| Library of Congress | fdd000241 |
Not sure your file is this? Identify it from its first bytes, in your browser.
Open it
- libexiv2Open source
- AbydosOpen source
- ConverseenOpen source
- ExifToolOpen source
- ImageMagickOpen source
- ImageMagick (WebAssembly)Open source
- LibRawOpen source
- PhotoRecOpen source
- F-SpotOpen source
And 8 more in the JSON record.
Convert it
Convert a file in your browser The steps marked “in browser” run on your machine; nothing is uploaded.
| To | With | Fidelity | Command and losses |
|---|---|---|---|
| AVIF | ImageMagick (WebAssembly) | Partial | in browser Demosaiced with default settings: raw sensor data and editing latitude are lost. |
| BMP 5.0 | ImageMagick (WebAssembly) | Partial | in browser Demosaiced with default settings: raw sensor data and editing latitude are lost. |
| GIF 89a | ImageMagick (WebAssembly) | Partial | in browser Demosaiced with default settings: raw sensor data and editing latitude are lost. |
| ICO | ImageMagick (WebAssembly) | Partial | in browser Demosaiced with default settings: raw sensor data and editing latitude are lost. |
| JFIF 1.02 | ImageMagick (WebAssembly) | Partial | in browser Demosaiced with default settings: raw sensor data and editing latitude are lost. |
| JPEG XL | ImageMagick (WebAssembly) | Partial | in browser Demosaiced with default settings: raw sensor data and editing latitude are lost. |
| ImageMagick (WebAssembly) | Partial | in browser Demosaiced with default settings: raw sensor data and editing latitude are lost. | |
| PNG | ImageMagick | Partial | convert in.crw out.pngDemosaiced with default settings: raw sensor data and editing latitude are lost. |
| PNG | ImageMagick (WebAssembly) | Partial | in browser Demosaiced with default settings: raw sensor data and editing latitude are lost. |
| Quite OK Image Format | ImageMagick (WebAssembly) | Partial | in browser Demosaiced with default settings: raw sensor data and editing latitude are lost. |
| TIFF | ImageMagick | Partial | convert in.crw out.tifDemosaiced with default settings: raw sensor data and editing latitude are lost. |
| TIFF | ImageMagick (WebAssembly) | Partial | in browser Demosaiced with default settings: raw sensor data and editing latitude are lost. |
| WebP | ImageMagick (WebAssembly) | Partial | in browser Demosaiced with default settings: raw sensor data and editing latitude are lost. |
| GIF 89a | ImageMagick | Lossy | convert in.crw out.gifReduced to 256 colours. |
| JFIF 1.02 | ImageMagick | Lossy | convert in.crw out.jpgLossy compression. |
| WebP | ImageMagick | Lossy | convert in.crw out.webpLossy compression. |
Sources
From Converters (FFmpeg, ImageMagick, Pandoc, LibreOffice), WebAssembly engines (ImageMagick, FFmpeg, Pandoc, 7-Zip, GDAL, Assimp, resvg), Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-26.