From Linux Man Pages
iconv - Convert encoding of given files from one encoding to another
iconv -f encoding -t encoding inputfile
DESCRIPTION
The iconv program converts the encoding of characters in inputfile from
one coded character set to another. The result is written to standard
output unless otherwise specified by the --output option.
--from-code, -f encoding
Convert characters from encoding
--to-code, -t encoding
Convert characters to encoding
--list
List known coded character sets
--output, -o file
Specify output file (instead of stdin)
--verbose
Print progress information.
CATEGORY