Photoshop Image Resources

From Just Solve the File Format Problem
Revision as of 00:53, 28 September 2014 by Dan Tobias (Talk | contribs)

Jump to: navigation, search
File Format
Name Photoshop Image Resources
Ontology

Photoshop Image Resources is a metadata format native to PSD files, but which is also sometimes used in TIFF, JPEG, and maybe other image formats.

Contents

Format

Photoshop Image Resources consists of a sequence of blocks, each with a numeric Resource ID indicating the type of data stored in the block. Each block also contains a name, but the name is often left empty.

Each block begins with ASCII characters "8BIM", a signature which appears in several Photoshop formats.

Not all Resource IDs are publicly documented.

Apparently Photoshop data (at least in Mac formats) also makes use of the ANPA-1312 format, a news-media industry markup format, for metadata storage.

Related Formats

  • In a TIFF file, tag 34377 contains Photoshop Image Resources.
  • In a JPEG file, an APP13 marker with an identifier of "Photoshop 3.0" contains Photoshop Image Resources.
  • Resource ID 0x0404 contains IPTC data.
  • Resource ID 0x040c may contain a thumbnail in JPEG/JFIF format.
  • Resource ID 0x0422 contains Exif data.
  • Resource ID 0x0424 contains XMP data.

Specifications

References

Personal tools
Namespaces

Variants
Actions
Navigation
Toolbox