What is PSD?

PSD (Photoshop Document) is Adobe's native layered image format, providing complete non-destructive editing capabilities. Created alongside Adobe Photoshop in 1988, PSD remains the industry standard for professional image editing and graphic design.

PSD files preserve layers, masks, adjustments, text, effects, and all other Photoshop features, allowing complete project flexibility.

Key Features

  • Layer Support: Unlimited layers and layer groups
  • Non-Destructive Editing: Adjustment layers and smart objects
  • Alpha Channels: Multiple transparency channels
  • Text Layers: Editable typography with effects
  • Layer Effects: Shadows, glows, bevels, and more
  • Masks: Layer and vector masks
  • High Color Depth: Up to 32-bit per channel
  • Smart Objects: Embedded vector or raster objects

Common Uses

  • Photo editing and retouching
  • Graphic design and digital art
  • Web and UI/UX design mockups
  • Print design and advertising
  • Photo compositing and manipulation
  • Digital painting and illustration

Advantages

  • Complete editing flexibility with layers
  • Industry-standard format for professionals
  • Preserves all Photoshop features and data
  • Supported by many third-party applications
  • Non-destructive workflow capabilities
  • Excellent color management

Limitations

  • Very large file sizes with many layers
  • Requires Photoshop for full functionality
  • Not suitable for web display (export needed)
  • Proprietary format controlled by Adobe
  • Limited support in non-Adobe software

Technical Information

  • File Extension: .psd
  • MIME Type: image/vnd.adobe.photoshop
  • Developer: Adobe Systems
  • First Release: 1988
  • Color Modes: Bitmap, Grayscale, RGB, CMYK, Lab, Multichannel
  • Max File Size: 2GB (Large Document Format: 4EB)
  • Max Dimensions: 300,000 x 300,000 pixels