View Exif Data is a tool for extracting the exif metadata that is embedded in photos taken with digital cameras and stored in JPEG format. Exif stands for "exchangeable image file format" and represents the metadata the is embeded in photos by digital camera manufacturers. The types of metadata stored varies according to each manufacturer but common tags include: date and time and basic camera settings. The common camera settings stored include: camera make and model, aperature, shutter speed, focal length, ISO and metering mode as well as author copyright information.
As of 2012 it is becoming more common for cameras and mobile phones to contain a built-in GPS receiver to store GPS data when a photo is taken. Some of the GPS data that is saved includes longitude, latitude, meters above or below sea level, and GPS satellites.