person working on design using adobe photoshop software

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What is Photoshop

Adobe Photoshop is a raster graphics editor developed and published by Adobe Inc. for Windows and macOS. It was originally created in 1988 by Thomas and John Knoll. Since then, the software has become the industry standard not only in raster graphics editing, but in digital art as a whole.

Creators of Photoshop Thomas and John Knoll

Adobe Photoshop is an extremely powerful application that’s used by many designers, web developers, graphic artists, photographers, and creative professionals. It’s used for almost any type of image editing, retouching, creating image compositions, website mock-ups, and adding affects.

Digital or scanned images can be edited for use online or in-print. Website layouts can be created within Photoshop; their designs can be finalized before developers move on to the coding stage. Stand-alone graphics can be created and exported for use within other programs.

What is Pixels?

Pixels are the smallest unit of information that makes up a picture. Usually round or square, they are typically arranged in a 2-dimensional grid. Every photograph, in digital form, is made up of pixels.

what is pixel

Difference B/W Raster & Vector Graphics

difference between raster and vector graphics

Raster Graphics, also called bitmap graphics is a type of digital image that uses tiny rectangular pixels, or picture elements, arranged in a grid formation to represent an image.

Vector Graphic is artwork made up of points, lines, and curves that are based upon mathematical equations, rather than a solid-colored square pixels. This means that no matter how large or small or how close you zoom in on the image, the lines, curves, and points remain smooth.

Adobe Photoshop Versions

Photoshop’s naming scheme was initially based on version numbers. However, in October 2002 due to 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 was Photoshop CS2.

In Creative Suit, non-subscription versions of Adobe apps that were often bundled together for a price break.

Photoshop CS3 to CS6 were distributed in two different editions: Standard and Extended.

In June 2013, With the introduction of the Creative Cloud branding, they changed the “CS” suffix to “CC” with year it was launched. e.g., Adobe Photoshop CC, Adobe Photoshop CC 2014 etc.

In Creative Cloud, a monthly or annual subscription service is delivered over the Internet.

List of Photoshop Verions

Adobe Photoshop 1.0(1990)
Adobe Photoshop 2.0(1991)
Adobe Photoshop 2.5(1992)
Adobe Photoshop 3.0 (1994)
Adobe Photoshop 4.0 (1996)
Adobe Photoshop 5.0 (1998)
Adobe Photoshop 5.5 (1999)
Adobe Photoshop 6.0 (2000)
Adobe Photoshop 7.0 (2002)
Adobe Photoshop CS (2003)
Adobe Photoshop CS2 (2005)
Adobe Photoshop CS3 (2007)
Adobe Photoshop CS4 (2008)
Adobe Photoshop CS5 (2010)
Adobe Photoshop CS6 (2012)
Adobe Photoshop CC (2013)
Adobe Photoshop CC (2014)
Adobe Photoshop CC (2015)
Adobe Photoshop CC (2016)
Adobe Photoshop CC (2017)
Adobe Photoshop CC (2018)
Adobe Photoshop CC (2019)
Adobe Photoshop CC (2020)

Photoshop file formats

Photoshop files have default file extension as .PSD, which stands for “PhotoShop Document”. A PSD file stores an image with support for most imaging options available in Photoshop. A PSD file has a maximum height and width of 30,000 pixels, and a length limit of two gigabytes.

Photoshop files sometimes have the file extension. PSB, which stands for “PhotoShop Big” (also known as “large document format”). A PSB file extends the PSD file format, increasing the maximum height and width to 300,000 pixels and the length limit to around 4 Exabytes.

Because of Photoshop’s popularity, PSD files are widely used and supported to some extent by most competing software, including Open-source / Free software such as GIMP. The .PSD file format can be exported to and from Adobe’s other apps like Adobe Illustrator, Adobe Premiere Pro, and After Effects.

Some of the file formats to preview the output


JPEG (JOINT PHOTOGRAPHIC EXPERTS GROUP) is the most common format for saving photos when you need a smaller file size. Most photos you see online are jpeg.


A PNG, or (Portable Network Graphic), is an image type that’s commonly used in web design to provide a transparent background and/or a semi-transparent image.


A GIF (Graphics Interchange Format) is a short, animated picture, without sound. GIF minimizes file sizes and reduces the electronic transfer time.


TIFF (Tagged Image File Format), is one of the most widely used file formats for storing images. TIFF images can use almost any resolution, and they can be black and white, gray-scaled, or color. TIFF files also support multiple layers and pages.


PDF (PORTABLE DOCUMENT FORMAT) is the most common way of out putting high quality print files that contain photos and text, and is the main output format used by Graphic Designers.

Works that can be done using Photoshop:

1. Photo Manipulation

photo manipulation

2. Skin retouch

Skin Retouch

3. Color Grading or Color Correction

Color Grading or Color Correction

4. Website Mockup

webiste mockup created using photoshop

5. Print Designs

brochure created to print using photoshop


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