Hide data behind the image

If you’re looking to hide files on your PC hard drive, you may have read about ways to encrypt folders or change the attributes on a file so that they cannot be accessed by prying eyes. However, a lot of times hiding files or folders in that way requires that you install some sort of software on your computer, which could then be spotted by someone else.

I am gonna show you how to hide data behind the image.

Syntax for used command

copy /b imagefile.jpg + datafile newimagefile.jpg

Note that: Datafile should with extension 

Problem: You have a data file and a jpg image and you want to hide data file behind the image.

1. Create a folder on your hard drive, i.e. C:\Test and put in all of the files that you want to hide into that folder. Also, place the image that you will be using to hide the files in.                                                                             
2. Now select all of the files that you want to hide, right-click on them, and choose the option to add them to a compressed ZIP or RAR file. Only select the files you want to hide, not the picture. Name it whatever you want, i,e. “Hidden.rar”.                                                                                   
3. Now here’s the fun part! Click on Start, and then click on Run. Type in “CMD” without the quotes and press Enter. You should now see the command prompt window open. Type in “CD \” to get to the root directory. Then type CD and the directory name that you created, i.e. “CD Test“.                                                                                                       
4. Now type in the following line:                                                                                                                                                                                  C:\>copy /b image.jpg + Hidden.rar image2.jpg                                                                                                                         and press Enter. 1 file<s> copied message will appear and you have done                                                                                                               
5. image2.jpg file created, your data is hidden behind this new image file.

To get data back just simply change the extension name to your data file extension, in this example change the newly created .jpg image to .rar.

                                                or

Right click on image and select "Open With" choose application according to your data file extension.

Note:

1. You can hide any data file not only .rar file.                                               
2. .rar files are preferred to hide data because of safe and large amount of data can be hidden.

One more example:

You have the following files:

1. A a.vob data file, you have to hide this file

2. A a.jpg image file, you have to hide your data behind this file

See the command in image