Whitening your teeth is the probably the basic first instinct everyone has when editing a photo, and i see no shame in it. Many of the photo editing tools leave traces behind, connor said. Not only can one determine the various settings that were used in the digital camera in taking the photo (exif metadata, iptc), but one can also. Now imagine, what will happen if this picture is fake or manipulated. You can tell if an image is fakeedited or a real one shot directly from the camera by using a free software tool.
Head over to google image search and click on the little camera icon to change the search from search by term to search by image. How to tell if a picture is photoshopped start with the telltale signs stop and think look for bad edges find mismatched light. How do others know if something in a picture is shopped? Do some call you out on it just to mess with you? Why do people like to add edits to. .