# base64 > Encode or decode file or `stdin` to/from base64, to `stdout` or another file. > More information: . - Encode a file to `stdout`: `base64 {{[-i|--input]}} {{path/to/file}}` - Encode a file to the specified output file: `base64 {{[-i|--input]}} {{path/to/input_file}} {{[-o|--output]}} {{path/to/output_file}}` - Wrap encoded output at a specific width (`0` disables wrapping): `base64 {{[-b|--break]}} {{0|76|...}} {{path/to/file}}` - Decode a file to `stdout`: `base64 {{[-d|--decode]}} {{[-i|--input]}} {{path/to/file}}` - Encode from `stdin` to `stdout`: `{{command}} | base64` - Decode from `stdin` to `stdout`: `{{command}} | base64 {{[-d|--decode]}}`