Exchangeable Image File Format

What Does Exchangeable Image File Format Mean?

Exchangeable image file format (EXIF) is a specification that defines data pertaining to images, sounds and tags used in digital still cameras.


EXIF was conceived by the Japan Electronics Industries Development Association (JEIDA) to support and standardize the type of information stored by a digital camera.

Techopedia Explains Exchangeable Image File Format

An extension of the Joint Photographic Experts Group (JPEG) image format, EXIF maintains the metadata for images and/or sounds that are captured or recorded from a digital camera. Relevant nformation, which varies by camera vendor, may include the date, time, location, focal length, compensation, camera settings and copyright. This information is essential for photographers and applications that work with or process these digital images, facilitating the evaluation of image quality.

EXIF is also processed by other devices that work on digital images, such as printers and scanners.


Related Terms

Margaret Rouse

Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical, business audience. Over the past twenty years her explanations have appeared on TechTarget websites and she's been cited as an authority in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine and Discovery Magazine.Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages. If you have a suggestion for a new definition or how to improve a technical explanation, please email Margaret or contact her…