# nkf > Network kanji filter. > Converts kanji code from one encoding to another. > More information: . - Convert to UTF-8 encoding: `nkf -w {{path/to/file.txt}}` - Convert to SHIFT_JIS encoding: `nkf -s {{path/to/file.txt}}` - Convert to UTF-8 encoding and overwrite the file: `nkf -w --overwrite {{path/to/file.txt}}` - Set new line code to LF and overwrite (UNIX type): `nkf -d --overwrite {{path/to/file.txt}}` - Set new line code to CRLF and overwrite (windows type): `nkf -c --overwrite {{path/to/file.txt}}` - Decrypt mime file and overwrite: `nkf -m --overwrite {{path/to/file.txt}}`