PSD (Photoshop Document) & PSB (Photoshop Big) Plugin for Qt/C++ (Qt4/Qt5/Qt6)

This project is based on the Adobe Photoshop File Formats Specification

If you like libqpsd or if it is useful to you, show your support by sponsoring my projects.

• PSD
• PSB

• Raw
• RLE
• Zip without Prediction
• Zip with Prediction

• Bitmap
• Grayscale
• Indexed
• RGB
• CMYK
• Multichannel
• Duotone
• Lab

• 1-bit (Bitmap)
• 8-bits
• 16-bits (Note: 16-bit depth is scaled down to 8-bits)
• 32-bits (Tonemapping Algorithm, needed help!)

• If you have an existing PSD/PSB file with different color mode or compression. Feel free to send me an email. I need samples with zip-compressed layers (zip w/ or w/o prediction).
• If you want to contribute to the code, just fork the project and pull requests.

• Ronie Martinez

• Yuezhao Huang
• Markus Diem
• stepanp
• Eli Schwartz
• username asgohtals contributed PSB files for testing:
  • berlin-cmyk.psb
  • berlin-quadtone.psb
  • wall-small-Lab.psb

• nomacs
• EzViewer
• PhotoQt
• Seer
• for applications not included in the list, shoot me an email

• Adobe Photoshop File Formats Specification
• RGB/XYZ Matrices
• ADOBE® PHOTOSHOP Help and tutorials
• Adobe® RGB (1998) Color Image Encoding