When analyzing a image, you have to check the exif and the metadata, here you can find some useful information. The exif, that stand for Exchangeable image file format, contains some information about the camera or the program that edited the image. Here you can find also where the image was taken or which device took it, but sometimes can happen that these information have been removed by softwares or sites.
[b]But before analyzing the original image make a backup and work on a copy not on the