Photoshop was developed in 1987 by two brothers, Thomas and John Knoll, who sold the distribution license to Adobe Systems Incorporated in 1988. Thomas Knoll, a Ph.D. student at the University of Michigan, began writi… See more

Photoshop files have default file extension as .PSD, which stands for "Photoshop Document". A PSD file stores an image with support for all features of Photoshop; these include layers with masks, transparency, … See more

Photoshop functionality can be extended by add-on programs called Photoshop plugins (or plug-ins). Adobe creates some, such as Adobe Camera Raw, but most are developed by third-parties. Some are free and some … See more

Photoshop and derivatives such as Photoshopped (or just Shopped) have become verbs that are sometimes used to refer to images edited by Photoshop, or any image manipulation program. The same happens n… See more

Photoshop's naming scheme was initially based on version numbers, from version 0.63 (codename "Bond"; double-oh-seven), through version 0.87 (codename "Seurat" which was the first commercial version, sold as "Ba… See more