base64
v(uutils coreutils) 0.1.0
Options
--decode,-d,-D- 
base-common-help-decode
 --ignore-garbage,-i- 
base-common-help-ignore-garbage
 --wrap=<COLS>,-w <COLS>- 
base-common-help-wrap
 
Examples
Encode a file:
base64 {{path/to/file}}
Wrap encoded output at a specific width (0 disables wrapping):
base64 {{[-w|--wrap]}} {{0|76|...}} {{path/to/file}}
Decode a file:
base64 {{[-d|--decode]}} {{path/to/file}}
Encode from stdin:
{{command}} | base64
Decode from stdin:
{{command}} | base64 {{[-d|--decode]}}
The examples are provided by the tldr-pages project under the CC BY 4.0 License.
Please note that, as uutils is a work in progress, some examples might fail.