tldr/pages/common/base64.md

base64

Encode or decode file or stdin to/from Base64, to stdout. More information: https://www.gnu.org/software/coreutils/base64.

• Encode the contents of a file as base64 and write the result to stdout:

base64 {{path/to/file}}

• Wrap encoded output at a specific width (0 disables wrapping):

base64 --wrap {{0|76|...}} {{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