File Extension JPG
The .jpg file extension is perhaps the most commonly used image file type used today. Also written .jpeg, the JPEG type is almost always used to refer to compressed images. There are multiple different compression formats, each with their own strengths and weaknesses. Some compression formats cause a kind of distortion to the image as a trade off for a reduction in file size, similar to the way MP3 compression works. This is called ‘lossy’ compression. The JPEG format is a lossy compression algorithm, which is important to bear in mind if you plan on manipulating this type of file in an image editing program. For example, if one was working on a long-term digital art project, it is unreasonable to assume that the work would be done in one day, much less one sitting.
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