listenc
The listenc command lists all encodings implemented in .Net. This will display the code page, name, and display name of all Encodings.
listenc | find "Unicode"
returns
1200 utf-16 Unicode
1201 utf-16BE Unicode (Big-Endian)
12000 utf-32 Unicode (UTF-32)
12001 utf-32BE Unicode (UTF-32 Big-Endian)
65000 utf-7 Unicode (UTF-7)
65001 utf-8 Unicode (UTF-8)
The list ist sorted by the code page (CP) by default, and can be changed using the -o switch.