What are PSDs files used for? PSDs can store large amounts of image data, including several layers of different images or graphical elements. With PSD sizes ranging up to two gigabytes, they can make distinctly large, editable files.
PSD, Photoshop Document, represents Adobe Photoshop's native file format used for graphics designing and development. PSD files may include image layers, adjustment layers, layer masks, annotations, file information, keywords and other Photoshop-specific elements. Photoshop files have default extension as .