This is a free photo editing software with the clone stamp tool. It can be used to remove or duplicate objects on your photos. Fix stains, blemishes and scratches. Remove unwanted objects.
A common usage is in retouching skin, particularly in portraits; in this way one can remove blemishes (pimples, moles, or scars), and make skin tones more even. Cloning can also be used to remove other unwanted elements, such as telephone wires, an unwanted bird in the sky, and the like.