Photoshop was created in 1988 by Thomas and John Knoll. Since then, it has become the
de facto industry standard in raster graphics editing, such that the terms "
photoshopping" and "
photoshop contest" were born. It can edit and compose
raster images in multiple layers and supports
masks,
alpha compositing and several
color models including
RGB,
CMYK,
Lab color space (with capital L),
spot color and
duotone. Photoshop has vast support for
graphic file formats but also uses its own
PSDand
PSB file formats which support all the aforementioned features. In addition to raster graphics, it has limited abilities to edit or render text,
vector graphics (especially through
clipping path),
3D graphics and
video. Photoshop's featureset can be expanded by
Photoshop plug-ins, programs developed and distributed independently of Photoshop that can run inside it and offer new or enhanced features.
Photoshop's naming scheme was initially based on
version numbers. However, on October 2003, following the introduction of
Creative Suite branding, each new version of Photoshop was designated with "CS" plus a number; e.g. the eighth major version of Photoshop was Photoshop CS and the ninth major version was Photoshop CS2. Photoshop CS3 through CS6 were also distributed in two different editions: Standard and Extended. In June 2013, with the introduction of
Creative Cloudbranding, Photoshop's licensing scheme was changed to that of
software as a service and the "CS" suffixes were replaced with "CC". Historically, Photoshop was bundled with additional software such as
Adobe ImageReady,
Adobe Fireworks,
Adobe Bridge,
Adobe Device Central and
Adobe Camera RAW.
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