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Image MIME Reference
CLIP

Clip Studio Paint Document

image/vnd.clip
VS

Extended Image File Format

image/vnd.xiff
XIFF

A complete technical comparison of Clip Studio Paint Document and Extended Image File Format — covering compression, feature support, browser compatibility, magic bytes, and when to choose each format.

Equal browser support

Feature Support

Feature CLIP XIFF
Transparency (Alpha) Yes ✕ No
Animation Support Yes ✕ No
Progressive Loading ✕ No ✕ No
HDR Support ✕ No ✕ No
EXIF Metadata ✕ No ✕ No
ICC Color Profile Yes ✕ No
Clip Studio Paint Document
image/vnd.clip
Extension
.clip.lip
Container SQLite 3 Database
Compression Proprietary Blob Compression (within SQLite)
Algorithm
Proprietary (Celsys Blob Encoding)
Color Depth 8-bit (Monochrome), 8-bit (Grayscale), 24-bit (RGB), 32-bit (CMYK)
Developed by Celsys, Inc.
Released 2012
Magic Bytes
53 51 4C 69 74 65 20 66 6F 72 6D 61 74 20 33 00
Full CLIP reference →
Extended Image File Format
image/vnd.xiff
Extension
.xif
Container TIFF-based Proprietary Container
Compression CCITT Group 3 / Group 4 / LZW / Uncompressed
Algorithm
CCITT Group 4LZWNone
Color Depth 1-bit (Monochrome), 8-bit (Grayscale), 24-bit (RGB)
Developed by Keyfile Corporation
Released 1994
Magic Bytes
49 49 2A 00 or 4D 4D 00 2A
Full XIFF reference →

Browser Support Comparison

Browser CLIP XIFF
Chrome Chrome
✕ ✕
Firefox Firefox
✕ ✕
Safari Safari
✕ ✕
Edge Edge
✕ ✕
IE IE (Legacy)
✕ ✕
CLIP

CLIP Strengths

  • SQLite backend provides incredibly robust data integrity, preventing catastrophic project loss if the application crashes during a save
  • Allows for massive multi-page comic projects and animation timelines to be handled efficiently without loading the entire project into RAM simultaneously
  • Industry standard for manga, anime, and webtoon professional workflows
Limitations
  • Heavily closed-source and proprietary, meaning no third-party applications (like ImageMagick or GIMP) can parse or render the files
  • Standard MIME identification tools will misidentify the file as a generic SQLite database, causing friction in automated file-upload validations
  • Zero web browser support
XIFF

XIFF Strengths

  • Pioneered early enterprise document workflow integration by binding administrative routing data directly to the document image file
  • Leveraged efficient fax compression standards to keep storage requirements low on 1990s server infrastructure
Limitations
  • Completely proprietary and obsolete; Keyfile Corporation's software ecosystem no longer exists
  • Causes widespread MIME type identification conflicts due to sharing the exact same binary header signature as standard TIFF files
  • Zero support in modern operating systems or web browsers

When to choose which format

CLIP
Use CLIP when…
  • Digital Illustration and Concept Art
  • Manga and Webtoon Production
  • 2D Frame-by-Frame Animation
  • High-Resolution Print Production
XIFF
Use XIFF when…
  • Keyfile Enterprise Document Management
  • Legacy Corporate Workflow Archival
  • Scanned Multi-page Document Routing

More comparisons

CLIP vs ACES → XIFF vs ACES → CLIP vs APNG → XIFF vs APNG → CLIP vs AVCI → XIFF vs AVCI → CLIP vs AVCS → XIFF vs AVCS → CLIP vs AVIF → XIFF vs AVIF → All comparisons →
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