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