Format
Adobe Photoshop
Summary
- Name
- Adobe Photoshop
- Identifiers
-
- Apple Uniform Type Identifier: com.adobe.photoshop-image
- MIME: image/vnd.adobe.photoshop
- PUID: x-fmt/92
- Format type
- Image (Raster)
- Description
- Adobe Photoshop is a raster graphics editor developed and published by Adobe Systems for Windows and OS X. Files natively produced by Adobe PhotoDeluxe (extension pdd) also appear to be based upon the Adobe Photoshop file format.
- Format encoding
- Text
- File extensions
-
psd,pdd - Submitted by
- Digital Preservation Department / The National Archives
- Developed by
- Adobe Systems Incorporated
- Supported by
- Adobe Systems Incorporated
Relationships
- Is previous version of
Internal signatures
Adobe Photoshop PSD
- Description
- BOF: '8BPS', version 1 (0x0001), 6 reserved null bytes https://www.adobe.com/devnet-apps/photoshop/fileformatashtml/
- Provenance
- DROID 5.0 research.
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- None
- Byte Sequence
38425053000100000000000000- Endianness
- Little-endian
Changelog
-
V96
- Release date
- 21 January 2020
-
Updated
Adobe Photoshop: Added new extension pdd and explanatory note to format description. Submitted by Church of Jesus Christ of Latter-day Saints.
-
V90
- Release date
- 30 March 2017
-
Updated
Adobe Photoshop: Linked to file format specification in signature description.
-
V79
- Release date
- 6 November 2014
-
Updated
Adobe Photoshop: Updated format description, documentation and corrected mimetype information to apple type. Submitted by the British Library.
-
V62
- Release date
- 28 August 2012
-
Updated
Adobe Photoshop: MIME-Type information added.
-
V34
- Release date
- 2 April 2010
-
Added signature
Adobe Photoshop: Signature developed through DROID 5.0 research