Convert Canon RAW 2 (.cr2) to Bitmap Image (.bmp) online for free. Fast, secure image conversion with no watermarks or registration.
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Canon CR2 files contain 14-bit lossless JPEG-compressed RAW data from Canon DSLRs like the 5D Mark IV, 7D Mark II, and 80D. Converting these files to BMP produces an uncompressed bitmap image where every pixel of the demosaiced sensor output is stored without any compression algorithm. BMP's simplicity makes it readable by virtually any application that can display images, from basic Windows Paint to sophisticated scientific analysis tools.
This conversion is typically needed when interfacing Canon DSLR photography with legacy industrial systems, scientific instruments, or automated quality control pipelines that require uncompressed BMP input. The 14-bit Canon sensor data is demosaiced, color-corrected using the camera's embedded DIGIC processing parameters, and written as a 24-bit RGB bitmap.
BMP remains a requirement for certain specialized systems that predate modern image codec support. Machine vision cameras in manufacturing lines, medical imaging viewers in clinics running older software, and forensic photography documentation systems sometimes mandate BMP as their input format. Canon DSLRs are widely used in forensic and medical photography, making this conversion practically relevant.
The absolute simplicity of BMP — a header followed by uncompressed pixel data in rows — also makes it useful for software development and testing. When developing image processing algorithms, BMP provides raw pixel data without any decoder dependencies. Researchers working with Canon DSLR captures in computer vision projects sometimes prefer BMP input to eliminate any variable introduced by decompression algorithms.
The pipeline reads the CR2 file structure, which uses TIFF-based headers with Canon-specific makernotes. The 14-bit sensor data is stored with lossless JPEG compression inside the CR2 container. After decoding, the Bayer pattern data is demosaiced using an adaptive algorithm, and Canon's color matrix and white balance coefficients from the makernotes are applied. The result is written as a Windows DIB (Device Independent Bitmap) at 24 bits per pixel with bottom-up row order. Canon 5D Mark IV (30 MP) files produce BMP outputs of approximately 90 MB.
BMP applies zero compression to the image data, so the format conversion step is completely lossless. The pixel values in the BMP are exactly what the demosaicing algorithm produced. The quality ceiling is determined by the RAW-to-RGB processing rather than the output format. Canon's 14-bit sensors provide excellent color depth, and the BMP faithfully preserves the full 8-bit per channel output of the standard processing pipeline.
| Device | CR2 | BMP |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
CR2 to BMP is a specialized conversion for delivering Canon DSLR photography to systems that require uncompressed bitmap input. The output files are large but compatible with the widest possible range of legacy applications and scientific instruments.
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| Egenskap | CR2 | BMP |
|---|---|---|
| Fullt navn | Canon RAW Image | Bitmap Image |
| Filendelse | .cr2 | .bmp |
| Best egnet for | Canon cameras | Uncompressed |