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Image MIME Reference
DECE-Graphic

Digital Entertainment Content Ecosystem (DECE) Graphic

image/vnd.dece.graphic
VS

QuickTime Image Format

image/x-quicktime
QTIF

A complete technical comparison of Digital Entertainment Content Ecosystem (DECE) Graphic and QuickTime Image Format — covering compression, feature support, browser compatibility, magic bytes, and when to choose each format.

Equal browser support

Feature Support

Feature DECE-Graphic QTIF
Transparency (Alpha) Yes Yes
Animation Support ✕ No ✕ No
Progressive Loading ✕ No ✕ No
HDR Support ✕ No ✕ No
EXIF Metadata ✕ No ✕ No
ICC Color Profile ✕ No ✕ No
Digital Entertainment Content Ecosystem (DECE) Graphic
image/vnd.dece.graphic
Extension
.jpg.png.uvi
Container Standard JPEG/PNG within DECE CFF structures
Compression Lossy (JPEG) / Lossless (PNG)
Algorithm
DCT (JPEG)DEFLATE (PNG)
Color Depth 8-bit (RGB), 24-bit (RGB)
Developed by Digital Entertainment Content Ecosystem (DECE) LLC
Released 2011
Magic Bytes
FF D8 FF (If JPEG) / 89 50 4E 47 (If PNG)
Full DECE-Graphic reference →
QuickTime Image Format
image/x-quicktime
Extension
.qtif.qti.qif
Container QuickTime Atom Container
Compression Varies (JPEG, SMC, Apple Video, Cinepak, Uncompressed)
Algorithm
QuickTime Image Compression Manager (ICM) Codecs
Color Depth 1-bit to 32-bit (Varies depending on the enclosed codec)
Developed by Apple Computer, Inc.
Released 1991
Magic Bytes
Varies (Typically begins with a 32-bit size integer followed by 69 64 73 63 ('idsc'))
Full QTIF reference →

Browser Support Comparison

Browser DECE-Graphic QTIF
Chrome Chrome
✕ ✕
Firefox Firefox
✕ ✕
Safari Safari
✕ ✕
Edge Edge
✕ ✕
IE IE (Legacy)
✕ ✕
DECE-Graphic

DECE-Graphic Strengths

  • Allowed the UltraViolet DRM ecosystem to easily distinguish structural UI/cover graphic assets from actual encrypted video tracks in a Common File Format container
Limitations
  • Completely obsolete since the 2019 shutdown of UltraViolet
  • Unnecessary abstraction, as the underlying files were just standard JPEGs or PNGs
  • Causes modern strict MIME-type validators to fail if they rely on the Content-Type header
QTIF

QTIF Strengths

  • Extremely flexible architecture allowing it to encapsulate virtually any image compression algorithm available on the host machine
  • Supported 32-bit images with alpha channels (transparency) long before PNG became an established standard
Limitations
  • Fundamentally tied to Apple's deprecated QuickTime architecture, rendering the files almost entirely unreadable on modern systems without specialized legacy software or FFmpeg
  • The 'wrapper' nature of the format means that even if a parser can read the QTIF container, it may fail to render the image if it lacks the specific proprietary codec (like Apple SMC) used to compress the pixel data
  • Zero native support in modern web browsers

When to choose which format

DECE-Graphic
Use DECE-Graphic when…
  • UltraViolet Movie Cover Art
  • Common File Format (CFF) Asset Manifests
  • Legacy DRM Ecosystems
QTIF
Use QTIF when…
  • Classic Mac OS Applications and Backgrounds
  • QuickTime VR Panorama Textures
  • 1990s CD-ROM Multimedia Assets

More comparisons

DECE-Graphic vs ACES → QTIF vs ACES → DECE-Graphic vs APNG → QTIF vs APNG → DECE-Graphic vs AVCI → QTIF vs AVCI → DECE-Graphic vs AVCS → QTIF vs AVCS → DECE-Graphic vs AVIF → QTIF vs AVIF → All comparisons →
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