Lets say that you want to Hide a Confidential pdf document in which all your bank details,passwords,Credit Card Nos. from tax investigation officers.So for this i there is a nice trick you can use.In actual what you can do is convert file to jpg so that if someone opens the file he can see the image of your choice and nothing else.And when you want to view your pdf document just change the extension to pdf and you are done to get your pdf file back.

So lets start with the Trick:

1. All you need is just two files a)image file of your choice b)A file which you want to hide.
2. Copy these both file to C:\(Drive)
3. Click “Start” button on your Taskbar and Select Run.
4. Type cmd.exe and Press Enter.(this will bring command prompt window)
5. Now type “Cd\” without Quotes and press enter to move to C:\
6. Type following command and press enter

copy /b mypic.jpg + topsecret.pdf mynewpic.jpg

Structure of Command

copy(space)/b(space)”image file of your choice.jpg”(space)+(space)”file which you want to hide.extension”(space)”new Name to Image File.jpg”

To Recover the topsecret.pdf just Rename mynewpic.jpg to topsecret.pdf.Here for example I have used a Pdf file.You can use this trick to any file type,but for that you will have to compress that file to .rar format using Winrar tool(Download) before executing above command in dos promt.And then to Restore the original file just rename to myfile.rar and extract it using Winrar.Remeber to Write the command in the syntax given below otherwise the trick will not work.

Syntax:

copy /b mypic.jpg + topsecret.pdf mynewpic.jpg

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