How do I know if a photo or image has filters or has been edited or modified?

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Marie-Ange Demory
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Know if a photo is changed it is a simple but sometimes cumbersome process, this can be done through some websites and special applications for it. With some dedication, you get a detailed analysis of an image to see if it has filters or if it has been edited or modified.

If you want to learn how to identify the edition of a photo or image, here we will basically explain what you should do. We will also tell you about the utility to know if a photo is modified, or is modified in some way, read on.



On many occasions, we have images that they don't need much analysis to know if they have been changed or less. For this, we will give you some brief tips on what we need to inspect, these aspects are where the montage in a photograph is most evident. These are:

As obvious as it may seem, this is where image editors fall in. It can be something as simple as a window with a reflection that isn't, English signs on a picture of Japan, etc. On many occasions these small details escape, allowing us to see these problems .

Another important point we need to take into account is confirm where the photograph comes from . This filter is mandatory in the media, either to give credit to the photographer or to know if he is trustworthy. When we find photos through social networks, we are not 100% sure if they are true.

Then a it is better to turn to journalists and photographers in the field , who have a reputation for authenticity to maintain as well as being professional, so they don't want to edit any of your photos.



Ultimately, if we don't see anything suspicious with the naked eye, we must resort to tools that make a more in-depth analysis on the matter. These analyze aspects and elements that it would be impossible for us to detect.

Photoshop is a visual editing tool developed by Adobe Systems. This is used for graphic design and photo editing. When using Photoshop the edits are made from scratch, there are common "mistakes" among those who use the application to make their montages. Here are a few tips for identifying changes in Photoshop .

Curved surfaces are where montages made in Photoshop fall. When editing an element in the application, the creating curves can be particularly complex , sometimes looking weird if you look closely. It may not be noticeable to the naked eye, but when you zoom in on curved surfaces, the pixels are clipped reveal the montage .

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Another one of those tricky things to tweak in Photoshop are the shadows and highlights. This difficulty is due to the different perspectives in which there can be lights, modifying each of the objects that receive light, also creating shadows that must be replicated in the most natural way possible.

So, since we know that shadows and highlights are particularly complex to edit well, where do we start? What we owe watch are all objects that can reflect shadows , trying to find some that are artificial, identify where the light comes from and how it affects them.


Metadata is in a nutshell the data that is generated on the data, providing a description about it, its characteristics and its history of modifications and creation. This last feature is the one that interests us, since we know the changes that the image has had and what kind they were.


Previously, we saw how we can manually identify the montages a photo may have, but if we want to go further, there is a group of tools that can help us in this task. We will mention some of the best that exist, providing a brief summary of how they identify photomontages.

Archive.IS or better known as Internet Archive, is a non-profit platform that takes care of archiving all Internet content, with an immense amount of information stored on the Internet.

Now how can we use it to know if a photo is changed? By using this platform, we can check whether the photograph has been used on other websites or whether was previously identified as a montage . Also consulting where it comes from.

Developed by Ideé Inc. TinEye is an image search engine, with which we can insert the image we think is a montage, seeing similar results from which elements were probably copied and pasted, confirming that it is not real .

With ImageOPS, in addition to searching for images, we have other functions that we can use to find out everything about a photograph. In the case of knowing if it is a photomontage or not, we have the category of "hidden data" or hidden data, which reflects the date when it was taken, the place where it was captured, as well as show us if it has any indication of edition .


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As the days go by and the advancement of technology, we have more and more applications, one of them is the one that detects fake photographs. We have previously mentioned some of the best, since talking about all those that exist would take us forever .


However, it can happen that we have problems with the precedents that we talked about, so we will mention a couple more, being a great alternative to others . Like Imageedited.com and Fotoforensics.

Photoshop is a program widely used in photo editing , either to insert a filter or to edit the photo with a montage. To detect this we have very simple applications to use.

In most cases, they just require them we drag in the search bar and confirm , getting the diagnosis in seconds. This procedure is basic for everything related to images, without the need to do anything else.

Photo editing it varies from occupation or profession to hobby of many people, most of the photos you can see have a high probability of being montage victims. It is really a hobby for many people, who enjoy adding the best filters.

Several applications are those that exist to edit a photo, edit it or put a filter on it , and there are several that allow a user to see if a photo or image has been modified.

To find out if a photo has filters or is modified there are some applications and web pages that work with metadata, or with a simple filter identification system. One of them is ImgOps , which can do amazing things for photo editing identification.

Even if a photo or image is edited by a professional, with this application you can easily detect if there has been a change; It is mainly used to identify the filters that have been used, based on the information (metadata) they have certain photos.

With it, you could find any filter applied, no matter how subtle, and it works for anyone. For example, it works efficiently with i Instagram and Photoshop filters .

How to know if a photo or image is changed or modified?

Knowing if a photo is being edited most of the time is a very simple process, however it can be tedious when using imprecise tools.

However, here we will talk about web pages that act as very precise tools and with them you can identify if there is any type of change in the image or in the photo you want.

Uno tool for this is JPEGsnoop , which is perhaps the best known in all of this. To use these tools it is not necessary to make any type of registration, just access the page with the URL of the image you want to scan, to search it for any edition.

With the URL , you will go to paste in the search bar of this page; once this is done you will have to wait a few seconds while the search engine does its duty.

What we recommend above is to bring the image in a JPG format, so that the search process is faster due to the size of the image in question.

JPEGsnoop will reflect each of the possible parts of that photo that have undergone an effect or any modification that has been applied to it, and this will does with some description , explaining whether a filter or contrast type was used.

What good is it to know if a photo or image has filters or has been edited or modified?

And in this way, you can find different applications or websites which help you detect possible changes in any photo you find.

For this reason, you may be wondering why there are so many applications, and that is, there are others that you can get such as: Findexif.com and Photoforensics , and they serve the same way, providing even more information when scanning a photo or image.

This is in order not to be victims of plagiarism, nor of the yellowing of pages or newspapers , manipulators who often edit photos to delude themselves about things that could happen.

With these types of tools you can look for flaws in a photo , as well as finding certain parts or pixels of the photo that can give you valuable information.

They are used to detect if a photo has been uploaded to a certain place and time and to see if it is meant to be hidden in a photo or image.

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