Seeing the EXIF data of a photograph is something that can be important if you want to know the shutter speed or the focal length. When the EXIF data is complete it offers a vast amount of information that you will be able to check thanks to programs like ExifReader.
With ExifReader you will be able to see the EXIF data of any photograph by loading it in the program's interface that shows the image and all the EXIF data that it includes. Normally, it will always include the aperture, shutter speed, ISO and focal length. Thus, download ExifReader if you want to quickly have this information about any photograph that you have saved in JPEG format.