SVG is one of the formats of two-dimensional vector graphic files that are created on the basis of documents in XML format. The developer is Adobe Systems, and the name of the format is an abbreviation for Scalable Vector Graphics File. In the SVG format, not only two-dimensional vector images can be created, but also mixed vector-raster images. At the same time, SVG files are text files, and therefore they can be opened in most popular text editors. This extension is able to support both static and animated graphics. At the same time, when working with such files, editing occurs without loss of quality.
PEF is a highly specialized raster image format. Created by the manufacturer of Pentax cameras for storing digital images taken by these devices. The name is an abbreviation for Pentax Electronic File. PEF files are digital photographs (RAW) without any compression, color editing or distortion. Data taken directly from the Pentax camera sensor. This format is also used by some Samsung cameras. At the same time, PEF format files are not compatible with image viewers, they cannot be printed and edited in graphic editors, they are not available for posting online. All this is possible only when converting to another format.