It is a well known trick among advanced UNIX or UNIX like operating system users to hide or embed some “secret” text inside a normal picture using terminal in Mac OS X, for example.
However, it is possible to embed such text in Microsoft Windows 7 too, using the same principle. In this tutorial, we will describe, how to do it.
Requirements:
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1. Two copies of exactly the same picture in any image file format.
2. An ASCII or ANSI (text) file containing the secret text.
We are showing step by step to make it easy. If you want to embed text in the picture TheCustomizeWindows, make two copies of the image and put in a separate folder, in our example, we have renamed them to TheCustomizeWindows-01 and TheCustomizeWindows-02 :
Now, create a text file in the same folder, write a text file inside it (it will contain your secret message; just right click inside the folder, hover over New > Text Document and click Text Document.) We have written this text inside in this example:
Add three star signs (*) above and below the text as shown in the above screenshot. Save the file with .log extension, All files and keep the encoding to ANSI :
Now, open command prompt, type like this:
copy TheCustomizeWindows-01.PNG /b + TheCustomizeWindows.log /a + TheCustomizeWindows-02.PNG ?TheCustomizeWindows.png
like this:
We have used ” cd ” to change directory as you can see in the above screenshot. The new picture named TheCustomizeWindows will appear in that folder:
It is otherwise a normal picture. To see the hidden text; open notepad> Click Open > in the dialog box, change file type to All files from Text file and open the picture in notepad:
The picture will open as peculiar text characters, you will find the secret text message at the bottom (or else give a search with Find) :
You can not remove the text, because it has been compiled with the picture. If you try to remove it from notepad and save it, it will get corrupted.
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You wrote “You can not remove the text, because it has been compiled with the picture. If you try to remove it from notepad and save it, it will get corrupted.”
I removed the text and the image loaded fine, it wasn’t corrupted. Can you please explain?
Its not universally true that it will always get corrupted. But editing any image file through any text editor has the risk of getting a corrupted file. There are many parameters which determines whether it will get corrupted or not.
You can understand an average user very well. They will work with a personal Photo with exif data straight out of the camera (and delete from memory card) without any backup and can if does a single mistake can end up with a file that will never open in any image viewer, they will cry and curse us.
You have carefully removed without adding or deleting any characters.
The copy command in the article does not match what’s typed in the cmd window. There’s an extra /b in there at the end.
Yes, you are right. Many thanks for notifying it.
Hello just wanted to give you a brief heads up and let you know a few of
the images aren’t loading correctly. I’m not sure why but I think its a linking issue.
I’ve tried it in two different internet browsers and both show the
same outcome.