The art of hiding any file inside an image is called steganography and you can refer this link for more details.The trick uses a JPEG image file to store a any kind of file in it.So follow up these simple steps to hide a file inside the image..
Step 1 :
Get an JPEG image file and a txt file for this trick as in the screenshot, here i have used a text file and a JPG format file PS: Thats my cat with ma cellphone
Step 2 : Now select the files/files you want to hide and compress them in a ZIP or a RAR archive to get a compressed File.
Step 3 : Now open up your command prompt by going to Start->Run->Type ‘Cmd’ and Hit Enter. You will see the command prompt current folder set to Documents Directory. Now change to root directory C:\ by typing “cd \” where your files are located.
Step 4 : Now what you will need to do is combine both te image and RAR file to create a new image file that will look he same. Type in copy /b SAM_0573.JPG+FileToHide.rar NewImage.JPG in the command prompt and it will create a new image file of same format with the RAR file inside it.Here is the screenshot
Now you will notice that the image file size has increased as a result of the copied file inside it.
Now just compressing the file inside the image wont do, we need to get the file back.So the simple trick is to Open the Image file with WinRAR using Open With..
An alternate way to open the image file to get the file is to change the extension of the image file from .JPG to .RAR and open it as a compressed file.
Well there you have it, this is a simple trick to hide your files in an image and you can even use this trick to brag with your friends and show off your geeky side. Leave your comments or suggestions that you would like to share with us…Cheers.!!..:D..
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