How to Hide data behind Image

Steganography:How to hide data behind Image

I wonder if you have ever faced situation when you need some important files of yours to be known only to you without ever having any sign that you are hiding something.  You may have faced a creepy situation when you are hiding your personal diary in your computer. Just everybody in your house wants to see it or you want to send your friends a hidden message. If you have ever faced such a situation. Then let me tell you about Steganography. How to Hide data behind Image.

Big Name, isn’t it? But actually it is much simple. Steganography is the practice of concealing a file, message, image, or video within another file, message, image, or video.

You may wonder why to use Steganography if you have various Encryption Technology that may better handle your privacy. Answer is simple, Plainly visible encrypted messages—no matter how unbreakable—arouse interest, and may in themselves be incriminating in countries where encryption is illegal. Thus, whereas cryptography is the practice of protecting the contents of a message alone, Steganography is concerned with concealing the fact that a secret message is being sent, as well as concealing the contents of the message.

How to Hide data behind Image:

In this post I would tell you about a simple Steganography. Which all of you can do with Command Prompt in your windows . All you need is WinRar, little knowledge of command prompt and a picture file. (You can take any picture from your computer system).

Don’t worry if you do not know about command prompt, I am here to guide you step by step.

Steps:how to Hide data behind Image

Step 1: Create a folder anywhere in your computer.Now select the Data you want to hide,cut it and paste in your folder.

Step 2: Now select a image in which you want to hide the data.

Step 3: In the given image file 1 and file 2 is a text file and a test image.jpg is a image file behind which i hide my data.

Step 4: Now select the files and Right click on that,u will see the option “add to archive” ,Click on that.


Step 5: Now u will see a new folder “test” which is a compressed folder ,remember the extension of a file either it’s a rar file or zip file.

Step 6:  Open the CMD console by typing “cmd” on the run option.

Step 7: Then go to the directory where u have created the folder,like i have created a folder in C drive named as “test”,so i will type the following command….
Now i m in C drive where i have created the folder if u have created in D drive then after typing cd/ type d: and press enter.
Step 8: After that go to your folder by typing the command ….
 cd  test
Step 9: Now type the following command to hide your data.
“copy /b testimage.jpg + test.rar hide.jpg”
Step 10: Here testimage is a image and test.rar is a compressed data which i want to hide.
Step 11: You can see the following response that one file is copied.Now open your folder and u can see that there will be a file named hide which contain your data hidden in it.
Step 12: Now delete rest of the data except hide.
Step 13: It’s over guys now “hide” is a file which contain your data hidden in it.whenever some one click on that he will be able to see your image not the data.
Step 14: To view your data right click on that and open it with Winrar.
So this is a simple process to hide your data behind the image.
Let me know what you think about this post!

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