How to embed or hide text in normal picture files in Windows 7


It is a well known trick among advanced UNIX or UNIX like operating users to 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 too, using the same principle. In this tutorial, we will describe, how to do it.

Requirements:

1. Two copies of exactly the same picture in any file format.

2. An  ASCII or ANSI (text) file containing the secret text.

We are step by step to it easy. If you want to embed text in the picture TheCustomizeWindows, two copies of the image and put in a separate folder, in our example, we have renamed them to TheCustomizeWindows-01 and TheCustomizeWindows-02 :

How to embed or hide text in normal picture files in Windows 7

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:

How to embed or hide text in normal picture files in Windows 7-1

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 :

How to embed or hide text in normal picture files in Windows 7-2

Now, open command prompt, type like this:

copy TheCustomizeWindows-01.PNG /b + TheCustomizeWindows.log /a + TheCustomizeWindows-02.PNG  TheCustomizeWindows.png


like this:

How to embed or hide text in normal picture files in Windows 7-3

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:

How to embed or hide text in normal picture files in Windows 7-4

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:

How to embed or hide text in normal picture files in Windows 7-5

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) :

How to embed or hide text in normal picture files in Windows 7-6

You can not the text, because it has been compiled with the picture. If you try to it from notepad and save it, it will get corrupted.

Signature


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About Abhishek

Abhishek Ghosh is an Orthopedic Surgeon, Inventor with 216 Patents, Current editor of The Customize Windows Media Group. You can follow and know more about Dr. +Abhishek Ghosh on Google Plus and follow on Twitter as @AbhishekCTRL.

Comments

  1. Josh PCalifornia says:

    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.

  2. BigChiefS4 says:

    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.

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