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Image MIME Reference
Kodak-KDC

Kodak KDC Raw Image

image/x-kodak-kdc
VS

PaintShop Pro Image

image/x-paintshoppro
PaintShop-Pro-PSP

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

Equal browser support

Feature Support

Feature Kodak-KDC 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
Kodak KDC Raw Image
image/x-kodak-kdc
Extension
.kdc
Container TIFF/EP
Compression Uncompressed / Proprietary Lossless
Algorithm
NoneLossless JPEG (ITU-T81)Proprietary Kodak Compression
Color Depth 10-bit, 12-bit (Per Channel)
Developed by Eastman Kodak Company
Released 1995
Magic Bytes
49 49 2A 00 or 4D 4D 00 2A
Full Kodak-KDC 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 Kodak-KDC PaintShop-Pro-PSP
Chrome Chrome
✕ ✕
Firefox Firefox
✕ ✕
Safari Safari
✕ ✕
Edge Edge
✕ ✕
IE IE (Legacy)
✕ ✕
Kodak-KDC

Kodak-KDC Strengths

  • Preserves original raw sensor data, allowing modern demosaicing software to extract significantly more detail and dynamic range than the camera's built-in JPEG engine could at the time
  • Utilizes the standard TIFF container structure, ensuring broad compatibility with open-source decoding libraries (like LibRaw)
Limitations
  • Completely obsolete proprietary format tied to a defunct line of consumer digital cameras
  • Subject to widespread misidentification by automated MIME detection libraries due to structural similarities with standard TIFFs
  • Cannot be natively viewed in web browsers or standard operating system image viewers without specialized decoders
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

Kodak-KDC
Use Kodak-KDC when…
  • Vintage Digital Photography Archival
  • Kodak DC and EasyShare P-Series Raw Post-Processing
  • Historical Imaging Research
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

Kodak-KDC vs ACES → PaintShop-Pro-PSP vs ACES → Kodak-KDC vs APNG → PaintShop-Pro-PSP vs APNG → Kodak-KDC vs AVCI → PaintShop-Pro-PSP vs AVCI → Kodak-KDC vs AVCS → PaintShop-Pro-PSP vs AVCS → Kodak-KDC vs AVIF → PaintShop-Pro-PSP vs AVIF → All comparisons →
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