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Image MIME Reference
Canon-CR2

Canon Raw Version 2

image/x-canon-cr2
VS

PaintShop Pro Image

image/x-paintshoppro
PaintShop-Pro-PSP

A complete technical comparison of Canon Raw Version 2 and PaintShop Pro Image — covering compression, feature support, browser compatibility, magic bytes, and when to choose each format.

Equal browser support

Feature Support

Feature Canon-CR2 PaintShop-Pro-PSP
Transparency (Alpha) ✕ No Yes
Animation Support ✕ No ✕ No
Progressive Loading ✕ No ✕ No
HDR Support Yes Yes
EXIF Metadata Yes Yes
ICC Color Profile Yes Yes
Canon Raw Version 2
image/x-canon-cr2
Extension
.cr2
Container TIFF
Compression Lossless JPEG (ITU-T81)
Algorithm
Lossless JPEG (ITU-T81)
Color Depth 12-bit (Per Channel), 14-bit (Per Channel)
Developed by Canon Inc.
Released 2004
Magic Bytes
49 49 2A 00 10 00 00 00 43 52 02 00
Full Canon-CR2 reference →
PaintShop Pro Image
image/x-paintshoppro
Extension
.psp.pspimage.tub.pat
Container PSP Chunk-based Format
Compression Uncompressed / RLE (Run-Length Encoding) / LZ77
Algorithm
RLELZ77
Color Depth 8-bit (Indexed), 16-bit (Grayscale), 24-bit (RGB), 32-bit (RGBA), 48-bit (High Color)
Developed by Jasc Software / Corel Corporation (Alludo)
Released 1990
Magic Bytes
7E 42 4B 00
Full PaintShop-Pro-PSP reference →

Browser Support Comparison

Browser Canon-CR2 PaintShop-Pro-PSP
Chrome Chrome
✕ ✕
Firefox Firefox
✕ ✕
Safari Safari
✕ ✕
Edge Edge
✕ ✕
IE IE (Legacy)
✕ ✕
Canon-CR2

Canon-CR2 Strengths

  • Retains maximum sensor data, allowing extreme recovery of highlights and shadows that would be permanently lost in a JPEG
  • White balance and color profiling are not 'baked in', meaning they can be completely altered in post-production without degrading the image
  • Lossless compression ensures perfect pixel accuracy while reducing file size compared to fully uncompressed formats
Limitations
  • Proprietary format means it requires constant updates to raw processing engines (like Adobe Camera Raw) every time Canon releases a new camera model
  • Produces very large file sizes (often 20MB to 40MB per image depending on sensor resolution)
  • Cannot be directly embedded into web pages or used in standard HTML/CSS contexts
PaintShop-Pro-PSP

PaintShop-Pro-PSP Strengths

  • Provides robust, non-destructive editing capabilities with full support for vector layers, adjustment layers, and layer blend modes
  • Historically offered a highly capable and affordable alternative to Adobe Photoshop's PSD format for Windows users
  • Features proprietary support for 'Picture Tubes' (.tub), a unique brush technology that paints sequential or random raster objects along a path
Limitations
  • Deeply proprietary format tied exclusively to the Corel/Alludo ecosystem
  • Third-party software support (like GIMP or ImageMagick) is often limited to parsing older .psp files, frequently failing to render complex layers in modern .pspimage files
  • No support in modern web browsers; must be exported to a flattened web format (JPEG/PNG) for online viewing

When to choose which format

Canon-CR2
Use Canon-CR2 when…
  • Professional Digital Photography
  • Non-destructive Image Post-Processing
  • High Dynamic Range (HDR) Imaging Archival
PaintShop-Pro-PSP
Use PaintShop-Pro-PSP when…
  • PaintShop Pro Multi-layer Project Archival
  • Digital Art and Photo Retouching
  • Picture Tubes (.tub) and Custom Patterns (.pat)

More comparisons

Canon-CR2 vs ACES → PaintShop-Pro-PSP vs ACES → Canon-CR2 vs APNG → PaintShop-Pro-PSP vs APNG → Canon-CR2 vs AVCI → PaintShop-Pro-PSP vs AVCI → Canon-CR2 vs AVCS → PaintShop-Pro-PSP vs AVCS → Canon-CR2 vs AVIF → PaintShop-Pro-PSP vs AVIF → All comparisons →
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