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Image MIME Reference
CLIP

Clip Studio Paint Document

image/vnd.clip
VS

JPEG 2000 Compound Image File Format

image/jpm
JPM

A complete technical comparison of Clip Studio Paint Document and JPEG 2000 Compound Image File Format — covering compression, feature support, browser compatibility, magic bytes, and when to choose each format.

Equal browser support

Feature Support

Feature CLIP JPM
Transparency (Alpha) Yes Yes
Animation Support Yes ✕ No
Progressive Loading ✕ No Yes
HDR Support ✕ No ✕ No
EXIF Metadata ✕ No Yes
ICC Color Profile Yes Yes
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 →
JPEG 2000 Compound Image File Format
image/jpm
Extension
.jpm.jpgm
Container ISOBMFF / JPM (ISO/IEC 15444-6)
Compression Lossy / Lossless / Mixed Raster Content (MRC)
Algorithm
JPEG 2000JBIG2JPEGMMR
Color Depth 1-bit (Text/Masks), 8-bit, 16-bit, 24-bit
Developed by Joint Photographic Experts Group (JPEG)
Released 2003
Magic Bytes
00 00 00 0C 6A 50 20 20 0D 0A 87 0A ... 66 74 79 70 6A 70 6D 20
Full JPM reference →

Browser Support Comparison

Browser CLIP JPM
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
JPM

JPM Strengths

  • Highly optimized for scanned documents, drastically reducing file sizes without sacrificing the readability of text or the quality of embedded photos
  • Supports multi-page documents within a single file
  • Object-based architecture allows for complex layout representation and independent extraction of elements
Limitations
  • Failed to achieve widespread adoption, largely being overshadowed by PDF/A and DjVu
  • Zero native web browser compatibility
  • Requires complex, specialized software to properly encode and decode the multi-layered MRC structure

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
JPM
Use JPM when…
  • Scanned Document Archiving
  • Mixed Raster Content (MRC) Imaging
  • Digital Libraries

More comparisons

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