BMP vs Canon RAW (CRW): Which Should You Use?
Side-by-side comparison of BMP and Canon RAW (CRW) image formats — features, pros, cons, and conversion options.
BMP is best for Simple uncompressed images in Windows applications. Canon RAW (CRW) is best for Photography with early Canon DSLR and PowerShot cameras.
Quick Verdict
- ✓ Simple uncompressed format
- ✓ No quality loss
- ✓ Universal Windows support
- ✗ Extremely large file size
- ✓ Full sensor data preserved
- ✓ Canon legacy camera support
- ✓ Better quality than JPEG
- ✗ Legacy format (superseded by CR2/CR3)
Specs Comparison
Side-by-side technical comparison of BMP and Canon RAW (CRW)
| Feature | BMP | Canon RAW (CRW) |
|---|---|---|
| Category | Image | Image |
| Year Introduced | 1986 | 1997 |
| MIME Type | image/bmp | image/x-canon-crw |
| Extensions | .bmp | .crw |
| Animation | ✗ | ✗ |
| Hdr | ✗ | ✓ |
| Lossless | ✓ | ✓ |
| Lossy | ✗ | ✗ |
| Max Color Depth | 32-bit | 12-bit |
| Transparency | ✗ | ✗ |
Pros & Cons
BMP
- ✓ Simple uncompressed format
- ✓ No quality loss
- ✓ Universal Windows support
- ✗ Extremely large file size
- ✗ No transparency
- ✗ No compression
Canon RAW (CRW)
- ✓ Full sensor data preserved
- ✓ Canon legacy camera support
- ✓ Better quality than JPEG
- ✗ Legacy format (superseded by CR2/CR3)
- ✗ Very large files
- ✗ Older cameras only
When to Use Each
Choose BMP when...
- You need files optimized for Simple uncompressed images in Windows applications
- Simple uncompressed format
- No quality loss
- You need lossless quality
Choose Canon RAW (CRW) when...
- You need files optimized for Photography with early Canon DSLR and PowerShot cameras
- Full sensor data preserved
- Canon legacy camera support
- You need lossless quality
How to Convert
Convert between BMP and Canon RAW (CRW) for free on ChangeThisFile
Frequently Asked Questions
BMP is best for Simple uncompressed images in Windows applications, while Canon RAW (CRW) is best for Photography with early Canon DSLR and PowerShot cameras. Both are image formats but they differ in compression, compatibility, and intended use cases.
It depends on your use case. BMP is better for Simple uncompressed images in Windows applications. Canon RAW (CRW) is better for Photography with early Canon DSLR and PowerShot cameras. Consider your specific requirements when choosing between them.
Direct conversion from BMP to Canon RAW (CRW) is not currently available on ChangeThisFile. You may need to use an intermediate format.
Yes. ChangeThisFile supports Canon RAW (CRW) to BMP conversion. Upload your file for server-side conversion — files are auto-deleted after processing.
File size depends on the content and compression settings. BMP preserves full quality. Canon RAW (CRW) preserves full quality. For the smallest files, choose the format with lossy compression that meets your quality needs.
No, BMP does not support hdr, whereas Canon RAW (CRW) does. This may be an important factor depending on your use case.
Both BMP and Canon RAW (CRW) are supported file formats that are free to use. You can convert between them for free on ChangeThisFile — server-side conversions are free with no signup required.
Canon RAW (CRW) is newer — it was introduced in 1997, while BMP dates back to 1986. Newer formats often offer better compression and features, but older formats tend to have wider compatibility.
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