I have developed ASCII Converter which is an online utility that deals with ASCII characters in four formats - character (displays if printable) and the corresponding ASCII value in decimal, hexadecimal and binary numbering systems. Provide any one of them and you get the remaining three representations.
This kind of utility is very helpful when one is dealing with ASCII strings in raw binary files / protocols. When reading from such a file, the hexadecimal version of the character would be available, and one might want to know which character it represents. While writing to it, one would need to convert the character or decimal representation of character into its hexadecimal counterpart before writing to the file.
Snapshot: ASCII Conversion Interface
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