PSD

Revision as of 19:37, 3 January 2015

PSD is the file format used by Adobe in its Photoshop program line. The format has gone through multiple versions, each being downwards (but not always upwards) compatible.

See Also

• PSB
• Photoshop brush
• Photoshop Image Resources

Identification

PSD files begin with bytes '8' 'B' 'P' 'S' 0x00 0x01.

Specifications

• Adobe Photoshop File Formats Specification (current version)
  • Other versions (from archive.org): 2010-07, 2012-06, 2012-12, 2013-06
• Photoshop File Formats Specification V6.0 Release 2
• PHOTOSDK.PDF - Adobe Photoshop 3.0.4 SDK
  • ADOBE.TXT - Photoshop 3.0.4 File Format
• PHOTOSHP.TXT - Adobe Photoshop 2.5 File Format

Software

• Adobe Photoshop
• ImageMagick
• XnView

Sample files

• "Free PSD" websites are abundant. Some examples:
  • PsdKing
  • psdGraphics
  • Freepik → PSD
• tombexcavator samples

Resources

• Adobe Photoshop File Format Summary, from the Encyclopedia of Graphics File Formats
• Open-Source PSD import code from GIMP
• Adobe Photoshop 1.0.1 source code

Commentary

• Photoshop you are a liar (video)
• Why Stop at Banning Photoshopping?
• Some thoughts about the PSD format
• Rant about PSD format in comments of a program's source code