Have you ever wondered why some jpeg or other image files have large sizes ? Well you should take a look at images some time, you will notice that a small logo image had a size of 2 MB, wow, what the heck ! I mean that file could have a size of 5KB-10KB but how a file with simple plain graphics and no more than 100px in dimensions can have that big filesize ? here is what’s going on behind the scenes.

You can embed your video, zip, mp3 or anything within the images files

this is an old topic I know, but it can be handy sometimes, this way only the creator of the file know what he is doing and the other person is the person who will download that file transparently. I believe this technique was first introduced by some scammers / terrorists, and this is scary stuff. Ok, here is how you can do that.

First collect the file that yo want to embed / bind and the image file as well. So for example you have an ebook that you want to embed in am image file. So I will pick those 2 files (ebook.pdf and logo.jpg) and to make our life easy, I will follow these steps.

1. Create a new folder in C:\ drive called diggfish (c:\diggfish). Copy ebook.pdf (its better to zip it with Winrar) and the logo.jpg file there.

2. Open command prompt, by writing “cmd” in the “run”..
3. Go to the newly created folder by typing “cd\diggfish”, you will be taken to folder c:\diggfish
4. Type the following line there

copy /b logo.jpg + ebook.pdf logo.jpg

 That’s it. You are done, the file ebook.pdf is successfully embedded in logo.jpg, if you double click the logo.jpg you will see the image in the image viewer you are using and if you rename the file logo.jpg to logo.pdf and double click it, you will read the ebook. Handy ? Evil ?..

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