Datamoshing Images – Hexfiend

After a long while traipsing the internet, trying to understand the different ways you can glitch, I came across something called ‘Hexfiend’ – a program which opens the hexadecimal characters representing a file. I barely know what I’m talking about here but on BBC Bitesize I learned that ‘Hexadecimal (or hex) is a base 16 system used to simplify how binary is represented’ ….. kids learn this for GCSE computer science! In my ICT GCSE I learned how to do PowerPoint. Quite amazing.

Anyways, the idea is once that is opened, which looks a bit like this:


You can basically add and replace any numbers/letters in the hexadecimal bit on the left or remove/replace/add text in the ASCII bit on the right. On my Friday evening in, I decided to give it a go with a picture of Trump and these are the results:

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donaldtrump 13   donaldtrump 11

I was firstly very pleased that there were workable results. I quickly found that if you can corrupt a file too much to the point where you can’t open it once you’ve saved it. So it was important for me to constantly save my files as I was editing the file. It was an affirmative exercise –  I now know I can glitch an image in hex fiend, now can I try it another way? So I did the same thing in audacity, which will be on my next blog post!


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