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Image MIME Reference
Kodak-DCR

Kodak Digital Camera Raw

image/x-kodak-dcr
VS

Wireless Bitmap

image/vnd.wap.wbmp
WBMP

A complete technical comparison of Kodak Digital Camera Raw and Wireless Bitmap — covering compression, feature support, browser compatibility, magic bytes, and when to choose each format.

Equal browser support

Feature Support

Feature Kodak-DCR WBMP
Transparency (Alpha) ✕ No ✕ No
Animation Support ✕ No ✕ No
Progressive Loading ✕ No ✕ No
HDR Support Yes ✕ No
EXIF Metadata Yes ✕ No
ICC Color Profile Yes ✕ No
Kodak Digital Camera Raw
image/x-kodak-dcr
Extension
.dcr
Container TIFF/EP
Compression Uncompressed / Lossless JPEG
Algorithm
NoneLossless JPEG (ITU-T81)
Color Depth 12-bit (Per Channel)
Developed by Eastman Kodak Company
Released 1998
Magic Bytes
49 49 2A 00 or 4D 4D 00 2A
Full Kodak-DCR reference →
Wireless Bitmap
image/vnd.wap.wbmp
Extension
.wbmp
Container WBMP Type 0
Compression Uncompressed
Algorithm
None
Color Depth 1-bit (Monochrome)
Developed by WAP Forum (Now Open Mobile Alliance)
Released 1999
Magic Bytes
00 00
Full WBMP reference →

Browser Support Comparison

Browser Kodak-DCR WBMP
Chrome Chrome
✕ ✕
Firefox Firefox
✕ ✕
Safari Safari
✕ ✕
Edge Edge
✕ ✕
IE IE (Legacy)
✕ ✕
Kodak-DCR

Kodak-DCR Strengths

  • Preserves the full dynamic range and uncompressed raw sensor data captured by foundational professional digital cameras
  • Utilizes the standard TIFF container structure, ensuring that open-source decoders like LibRaw can easily parse and interpret the files long after official vendor support has ended
Limitations
  • Completely obsolete proprietary format tied to camera hardware that is no longer manufactured
  • Shares the TIFF magic header, leading to widespread misidentification by automated MIME detection libraries
  • Cannot be natively viewed in web browsers or standard operating system image viewers without specialized codecs
WBMP

WBMP Strengths

  • Extremely low processing overhead made it perfectly suited for the ultra-low-power CPUs of late 1990s mobile devices
  • Tightly integrated into the WML (Wireless Markup Language) stack, enabling the first functional mobile internet experiences
Limitations
  • Completely obsolete and lacks support in modern operating systems and browsers
  • Limited entirely to 1-bit black and white (0 for black, 1 for white) with zero support for grayscale, color, or transparency
  • The lack of a strong file header signature makes automated MIME type detection highly unreliable

When to choose which format

Kodak-DCR
Use Kodak-DCR when…
  • Vintage Professional Digital Photography (Kodak DCS series)
  • Non-destructive Image Post-Processing
  • Raw Imaging Archival
WBMP
Use WBMP when…
  • Legacy WML (Wireless Markup Language) Mobile Sites
  • Early Mobile Phone Icons and Operator Logos
  • Historical WAP Archival

More comparisons

Kodak-DCR vs ACES → WBMP vs ACES → Kodak-DCR vs APNG → WBMP vs APNG → Kodak-DCR vs AVCI → WBMP vs AVCI → Kodak-DCR vs AVCS → WBMP vs AVCS → Kodak-DCR vs AVIF → WBMP vs AVIF → All comparisons →
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