Steganography: How To Hide Data Behind Image

How To Hide Data Behind Image

Category: Security 
A 10 Minute Read

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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 and 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.

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.

In this article,we will discuss the steps to Hide data behind Image. Follow the steps carefully and you can easily hide any data you want.

How to Hide data behind Image:

Step 1: Select an Image to Be Used for Hiding File Behind the Image.

Step 2: Now Select a File to Hide Behind the Image and Make It in .RAR Format. With the Help of the WinRAR.

And most important is that paste both the files on desktop.

You may do this anywhere instead of desktop if you have some basic understanding of command line.

Step 3: Now Open Cmd

type :
cd desktop
and press enter
note:CD stands for change directory by typing above command you change your directory to desktop

Step 4: Type Command Given Below

Copy /b imagename.jpg + filename.rar finalimage.jpg

• Replace imagename.jpg with the name of image you want your file to be hidden behind. Don't forget to add image format (Eg: .jpg,.png,.gif)

• Replace filename with name of your file you want to hide. It must be in .rar format.

• Finally Replace finalimage.jpg with whatever name you want your final image with hidden files should be. This is the image where your file will be hidden.

• in my case it will be

Copy /b images.jpg + lock.rar hidden.jpg

Step 5: Now When You Will Try to Open This Newly Created Image It Will Open As Normal Image, But to Open Your Hidden File You Need Follow Steps Given Below.

If you would try to open output.jpg it would be a simple picture file. But if you would open output.jpg with WinRar Software… You would see your beloved files well hidden behind image file.

Now you can give your selfie to your Crush with a love letter hidden behind it…

My whole life, I was wandering about such tricks we used to see in Movies. Now we all can do such tricks within Minutes. Isn’t it too  easy to Hide data between Image. We hope that you have successfully completed this tutorial Titled: “How to Hide data behind Image”. 

If you are still facing any problems in any step, then fell free to comment below.