Hiding files inside images – it works!

Software — Joe Anderson @ 8:51 pm Thursday 4 August 2005

Ever had a file you wanted to share? Maybe an MP3? But were worried you’d be sued? Or perhaps you wanted to provide captions with images, without having it in the image itself, or as a seperate file? At long last a solution, !

Click for full-screen

I think I was stumbling upon yesterday and I came across a useful utility that lets you hide & encrypt any file inside a or . At first this may seem cool but not useful, but I realised it could be. Many web hosts (such as Bravehost or they used to anyway) ban certain extensions such as .zip, .exe or/and .mp3. You can do the old trick of simply renaming it, but this isn’t foolproof as the host could stumble upon it, and it’s hard for users to decode (as the MIME type is set for the extension you change it to).

Now you could hide the file inside an image (however the file needs to be of a certain size, and unless the hosts downloaded the file, knew the password and used the program to extract it, they wouldn’t even know the file existed(apart from an abnormally large file size)!

The program also allows you to choose transparent colours and allows you to zoom in or zoom out of a picture.

The program can be ran by command line or a GUI (just stick with GUI for simplicity).

I think this is a nifty download, and I have nothing better to write, so there we go! Oh, I’ve attached a test file (below). Just download this image normally and use the software to extract it. Password is ‘1’.

webbys world banner - download and decode

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1 Comment »

  1. [...] In computing terms, this generally means hiding text or files inside other files (generally an image or MP3). We have reviewed one piece of software which does this before, but I’ve decided it’s worth writing about a few more. [...]

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