How do you know if the text representation on the right in a hex editor is valid? What are those ‘random’ numbers on the left in the hex editor? These or similar formulations seem to be popular variations of the above question:Ĭan I change the text to English (or another language)? We’ll start with a brief answer to this question: how do I make sense of (hexadecimal) numbers in a hex editor? (This actually was one of the motivations for me to write such a program: to understand data and representations better.)ĭata encoding, decoding and representation is a big topic, but for many applications of hex editors a few concepts are enough. But almost no program shows data in such a raw format, except for hex editors, which can make this concept pretty confusing and abstract. All data in a computer, including files, is a sequence of numbers.
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