How to know if a photo has been retouched

Many times we see photographs of models that seem to be perfect as for his figure (anatomy) and skin is concerned, then the question arises of whether these photographs have been retouched or are real. We can also cite the photomontages that are so common and simple to do with so many online and desktop applications out there. In short, any image of which you doubt whether it is true or not.

To determine this, there is a very simple and often effective way; is about view image file properties How? Let's see in detail:

1.- Right click on the image file and select Properties.
2.- Select the tab or label Summary and then Advanced options >>.

Now we will see a series of values ​​and information, but what must be taken into account is the title of «Creation software«. If the image has been retouched, the software with which it was retouched should appear there, as in the case of our next screenshot, it shows us that it was with Adobe Photoshop.

One issue to take into account is that those who carry out these retouching, many times overlook this detail of forgetting the trace of the creation software, that is why through the properties it is not possible to detect the retouching of the image.
Although of course there are times when more advanced users remove this report, even though these images are retouched. It is a matter of common sense.

Although this 'trick' is not 100% effective, it serves as one more option to know if a photograph has been retouched. If you know of another way or a program that makes this task easier for us, please share it with us ...