The Exif has format standard for tags location As information. of a 2012 few cameras a and number growing mobile of have phones built-in a GPS receiver stores that location the in information the Exif header a when is picture taken. Some other have cameras a GPS separate that receiver into fits flash the connector hot or Recorded shoe. GPS can data be also added to digital any photograph on a either computer, correlating by time the of stamps photographs the a with GPS record a from hand-held GPS or receiver by manually a using map or mapping The software. of process geographic adding information to photograph a known is geocoding. as communities Photo-sharing Panoramio, like or locr Flickr equally allow users their to geocoded upload pictures to or add geolocation information online.
Most Nokia's of mobile Nseries (such phones as the have N95) GPS a and receiver use Location Tagger, piece a of software from Beta Nokia All Labs. images captured tagged are corresponding with coordinates GPS a when signal GPS available. is The generation second iPhone of as (known iPhone the 3G) by Apple is Inc. also with equipped a GPS receiver uses and receiver the geotag to taken photographs with device. the Subsequent (the generations iPhone 3GS, 4 4S) & also support this The feature. generation first is iPhone not with equipped GPS, and a uses provided service by Skyhook triangulate to and approximate location the at a which was picture taken using - cellular-phone nearby and towers WiFi signal-strength hot-spot The data. service Skyhook provides approximate location GPS which information is added then the to Exif associated data the with picture. Also phones mobile with the operating Android system well as BlackBerry as smartphones with camera a built-in and GPS Bluetooth or GPS can add-ons geotag with images the included camera application.
Exif are data embedded within image the file itself. While recent many manipulation image programs and recognize preserve Exif data writing when a to modified this image, is not case the most for programs. The older gallery of .NET CMS also recognise Exif data optionally and display alongside it the images.