i will show you how to hide your data behind any image.you will need any file archiver. for ex. winrar or winzip or 7zip.
here is the procedures:-
Step 1: Convert your folder in to any archive file
for example i converted my folder into a rar file name "data.rar" and i have a image named "img.jpg" .
Note-these both file must be in same location.
Step 2: Now open command prompt and go to that location in command prompt.(shortcut-you can open command prompt in that location by pressing shift+right_click ).Type the following command
copy/b image_name.jpg+archive_file.rar any_name.jpg
i.e-
copy/b img.jpg+data.rar new_img.jpg
Your data has been copied in to image..
Now you can delete your both old files your data has been stored in new image file.
Now how to backup your stored data in image file.
open command prompt and go to that location perform this command.
copy/b any_name.jpg any_newname.rar
i.e-new_img.jpg any_name.rar
Extract that file and your data has been backed-up.
please comments and share...