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What is the full form of JPG/JPEG?

Full form of JPG/JPEG: Here, we are going to learn about the JPG/JPEG, full form of JPG and full form of JPEG and their advantages.
Submitted by Anushree Goswami, on November 22, 2019

JPG/JPEG: Joint Photographic Experts Group

JPEG is generally known as JPG. It is an abbreviation of the Joint Photographic Expert Group. It is a popular image file format created and developed by digital photography for digital images. Joint Photographic Expert Group is a joint working group of the International Standardization Organization (ISO) and the International Electrotechnical Commission (IEC). It is a high-quality technique of compressing graphic images. It is with its filename extension .jpg or .jpeg is used most frequently. It is generally used to compress digital images. Because little information is disoriented at the time of compression of digital images in digital photography, and that’s the reason it is a lossy compression method. It can diminish up to 5% of the real size with the loss of little information.

JPEG is mainly used because of its high compression technique to dispatch photographs on the internet. The file suffix ".jpg" is used to support the JPEG file format on the World Wide Web. It is also used to design and create any graphic image file by using the JPEG standard and also most frequently for transmitting the digital photographic images on the World Wide Web. It holds up to an image size of 65535x65535 pixels maximum.

Substantial specifications of JPEG are,

  • JPEG was published by the Joint Photographic Experts Group.
  • Many file formats are possible by the conversion of JPEG.
  • Extensions which are most of the time used for JPEG file format are: .jpeg, .jpg, .jpe, .jif, .jfif.
  • JPEG can operate compression and decompression on an image to convert it into a stream of bytes and back into an image again. The conversion of image by compression and decompression into stream of bytes and back into an image is described by specifying the codec by the JPG standards.
  • The data file format is unconstrained from resolution, image contents and aspect ratio.
  • 29 unique coding processes are contained by JPEG into its scheme.
  • In ISO standard 10918, JPEG file format is specified.


  • JPEG file format has been in proper use for a longer period and is significantly transferable.
  • JPEG file format is capable of being reconciled with nearly every image processing application.
  • JPEG file format is capable of being reconciled with almost all the hardware devices e.g. printers etc. Thus, it is very simple, clear and easy to print the digital images in JPEG file format.
  • JPEG file format is appropriate for the full range of colors of clear-sighted images with too many combinations of color and contrast progressions.


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