# base64 > Encode or decode file or `stdin` to/from Base64, to `stdout`. > More information: . - Encode the contents of a file as base64 and write the result to `stdout`: `base64 {{path/to/file}}` - Decode the base64 contents of a file and write the result to `stdout`: `base64 --decode {{path/to/file}}` - Encode from `stdin`: `{{somecommand}} | base64` - Decode from `stdin`: `{{somecommand}} | base64 --decode`