Just like you pass tags in your WordPress blog posts; you can also tag images using a free WordPress plugin called WP Media Tagger. The plugin is extensively configurable and comes packed with a bunch of features enabling WordPress media tagging and search & media taxonomy etc.
EXIF means Exchangeable image file format. It means metadata saved with photographs and audio by modern digital devices. EXIF data includes information like aperture, credit, camera, resolution, time, coordinates- latitudes and longitudes, shutter speed, focal length, etc which most of the photographers like to show with their photographs. In this tutorial we are discussing how you can add EXIF conveniently in your WordPress based website.