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The PNG file format was published as an ISO/IEC standard in 2004. It was created as an improved and non-patented replacement for Graphics Interchange Format (GIF).
#PHOTOSHOP FILE EXTENSION PORTABLE#
PNG stands for Portable Network Graphics. A bitmap images uses different colored pixels, which are arranged in a manner to display an image. The term bitmap is rooted in computer programming terminology. The term bitmap essentially means a map of bits or specifically a ‘spatially mapped array of bits’. PNG, on the other hand, is a raster graphics file format, essentially a bitmap image. Once, the image is finalized it can be converted and stored in another format, such as JPEG, as it is a much more popular and usable format on many various platforms. As long as the image is in the PSD format, changes can be made to the image and its layers. Hence, a PSD file is usually used only while working on an image in Adobe as it can be stored with all the edits and layers.
#PHOTOSHOP FILE EXTENSION SOFTWARE#
Furthermore, a PSD file works only with Adobe Photoshop and other related Adobe software programs, such Adobe Illustrator, Adobe InDesign, Adobe Premiere, Adobe After Effects, and Adobe GoLive. However, as compared to other image file formats, a PSD file can be much bigger in size, due to all the other information stored on it in addition to the image. PSD can support a maximum height and width of 30,000 pixels and an overall file size of 2 GB. Whereas other image formats, such as a JPG or a GIF only store the image and no other content with it. PSD in fact stands for "Photoshop Document." A PSD file stores an image with support for most Photoshop imaging options, including layers with masks, color spaces, ICC profiles, CMYK Mode, transparency, text, alpha channels and spot colors, clipping paths, and duotone settings. PSD is the default file extension for Photoshop files. However, they do differ in the manner that they are stored and are used. As they are both image formats, they do have certain similarities. But which is used for which? PSD and PNG are two such formats.
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Obviously, some are better used for some certain effects or reasons. There are many different file formats available. PSD in fact stands for "Photoshop Document." PNG stands for Portable Network Graphics. Key difference: PSD is the default file extension for Photoshop files.