Utility to determine what encoding a text file is using

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This application will determine a text file encoding using visual inspection.

https://www.softpedia.com/get/Office-tools/Other-Office-Tools/Detenc.shtml
https://www.scintilla.org/SciTE.html
Encoding

Format that defines how the values of certain types are represented, in terms of bits. Examples: American Standard Code for Information Interchange (ASCII), a 7-bit character set; and Unicode, a 16-bit character set.