Adobe Photoshop bụ onye nchịkọta akụkọ eserese raster mepụtara ma bipụta ya bụ Adobe Inc. maka Windows na macOS. Emebere ya na 1988 site na Thomas na John Knoll. Kemgbe ahụ, ngwanro ahụ aghọwo ọkọlọtọ ụlọ ọrụ ọ bụghị naanị na edezi eserese raster, mana na nka dijitalụ n'ozuzu ya. A na-ejikarị aha ngwanro eme ihe dị ka ngwaa (dịka "ịme foto", "photoshopping", na "asọmpi fotoshop") [1] n'agbanyeghị na Adobe na-akụda ụdị ojiji ahụ.[2] Photoshop nwere ike dezie ma dezie onyonyo raster n'ọtụtụ ọkwa ma na-akwado masks, nhazi alfa na ọtụtụ ụdị agba gụnyere RGB, CMYK, CIELAB, agba ntụpọ, na duotone. Photoshop na-eji ụdị faịlụ PSD na PSB nke ya iji kwado atụmatụ ndị a. Na mgbakwunye na eserese raster, Photoshop nwere oke ikike dezie ma ọ bụ nyegharịa ederede na eserese vector (ọkachasị site n'ụzọ nkebi nke ikpeazụ), yana eserese 3D na vidiyo. Enwere ike ịgbasa ntọala atụmatụ ya site na nkwụnye; mmemme mepụtara ma kesaa n'adabereghị na Photoshop nke na-agba n'ime ya ma na-enye atụmatụ ọhụrụ ma ọ bụ kwalite.

Adobe Photoshop