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Image MIME Reference
FreeHand

Macromedia FreeHand Document

image/x-freehand
VS

MacPaint Image

image/x-macpaint
MacPaint

A complete technical comparison of Macromedia FreeHand Document and MacPaint Image — covering compression, feature support, browser compatibility, magic bytes, and when to choose each format.

Equal browser support

Feature Support

Feature FreeHand MacPaint
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
Macromedia FreeHand Document
image/x-freehand
Extension
.fh.fh4.fh5.fh7.fh8.fh9.fh10.fh11.ft11
Container Proprietary Binary (Aldus Graphic Document)
Compression Uncompressed / Deflate (in later versions)
Algorithm
NoneDeflate (Optional in later versions)
Color Depth Vector Data (RGB/CMYK)
Developed by Altsys / Aldus / Macromedia
Released 1988
Magic Bytes
41 47 44 31 to 41 47 44 34
Full FreeHand reference →
MacPaint Image
image/x-macpaint
Extension
.mac.pntg.pnt.macp
Container Raw pixel payload with a 512-byte pattern header
Compression PackBits (Run-Length Encoding)
Algorithm
PackBits (Apple RLE)
Color Depth 1-bit (Monochrome)
Developed by Apple Computer, Inc. (Bill Atkinson)
Released 1984
Magic Bytes
None (Relies on classic Mac OS 'PNTG' OSType)
Full MacPaint reference →

Browser Support Comparison

Browser FreeHand MacPaint
Chrome Chrome
✕ ✕
Firefox Firefox
✕ ✕
Safari Safari
✕ ✕
Edge Edge
✕ ✕
IE IE (Legacy)
✕ ✕
FreeHand

FreeHand Strengths

  • Historically one of the most powerful and intuitive vector editors on the market, praised for multi-page support long before Adobe Illustrator implemented it
  • Files are generally compact and self-contained
Limitations
  • Completely abandoned proprietary format; Adobe actively blocked native import in modern versions of Illustrator
  • No support in modern web browsers; must be converted to SVG
  • Versioning fragmentation means parsers must account for wildly different binary structures depending on the specific .fhX extension used
MacPaint

MacPaint Strengths

  • Profoundly historically significant as the format that introduced millions to the concept of bitmap digital painting
  • Extremely simple PackBits compression makes it easy for emulator developers or archivists to write parsers from scratch in under an hour
Limitations
  • Severely limited: strictly black and white, and hard-locked to exactly 576 x 720 pixels
  • Lack of standard magic bytes makes programmatic file sniffing unreliable on modern filesystems without relying on the file extension
  • Completely obsolete and unsupported by modern web browsers or consumer image viewers

When to choose which format

FreeHand
Use FreeHand when…
  • Legacy Graphic Design Portfolios
  • Historical Desktop Publishing Archival
  • Old Corporate Logo Vectors
MacPaint
Use MacPaint when…
  • Historical Apple Macintosh Archival
  • Early 1980s Digital Art Preservation
  • Retro UI/UX Academic Research

More comparisons

FreeHand vs ACES → MacPaint vs ACES → FreeHand vs APNG → MacPaint vs APNG → FreeHand vs AVCI → MacPaint vs AVCI → FreeHand vs AVCS → MacPaint vs AVCS → FreeHand vs AVIF → MacPaint vs AVIF → All comparisons →
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