Hiding files within jpg image

I know it's possible to hide files within a jpg image.
I have seen it but dont know how to do it?
Can anyone help me?

try this:
1. The first thing we need to do is to create a new directory (hide)
2. Now in this new directory, you want the file you want to hide, and the image you want to hide it within. (*.txt & **.jpg)
3. Next place the Password.txt file within a RAR file.(*.rar)
4. Next open up CMD, and navigate to where your files are. (D:\hide)
type this command

Quote:

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/b **.jpg + *.rar HiddenFile.jpg

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note:HiddenFile.jpg = The new file which contains both
If you were to open the file in WinRAR for example, you would see your hidden file (*.txt)

Thanks for the solution windwithme!
Will try this right now!