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Image MIME Reference
Kodak-DCR

Kodak Digital Camera Raw

image/x-kodak-dcr
VS

Valve Texture Format

image/vnd.valve.source.texture
VTF

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

Equal browser support

Feature Support

Feature Kodak-DCR VTF
Transparency (Alpha) ✕ No Yes
Animation Support ✕ No Yes
Progressive Loading ✕ No ✕ No
HDR Support Yes Yes
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 →
Valve Texture Format
image/vnd.valve.source.texture
Extension
.vtf
Container Valve Texture Format Header
Compression DXTC (DXT1, DXT3, DXT5) / Uncompressed (BGRA8888, RGB888, etc.)
Algorithm
DXT1-DXT5None
Color Depth 8-bit, 24-bit (RGB), 32-bit (RGBA), 16-bit Floating Point (HDR)
Developed by Valve Corporation
Released 2004
Magic Bytes
56 54 46 00
Full VTF reference →

Browser Support Comparison

Browser Kodak-DCR VTF
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
VTF

VTF Strengths

  • Extremely fast loading within the Source Engine because the block-compressed data goes directly into the GPU's VRAM without CPU decompression overhead
  • Bundles mipmaps, volumetric slices, cubemap faces, and animation frames entirely within a single file
  • Openly documented by the Valve Developer Community, leading to a massive ecosystem of third-party modding tools
Limitations
  • Strictly tied to the Source Engine ecosystem; entirely useless in standard web or print contexts
  • No native support in standard image editors without hunting down and installing specialized plugins
  • Block compression algorithms (DXT) are lossy and can cause visible artifacting, especially on normal maps or smooth gradients

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
VTF
Use VTF when…
  • Source Engine Game Textures
  • Custom Maps and Modding (Garry's Mod, CS:GO)
  • Animated In-Game Decals and Sprays
  • Environment Cubemaps (Skyboxes)

More comparisons

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