base64
base64 encode/decode data and print to standard output
TLDR
Encode the contents of a file as base64 and write the result to stdout
Decode the base64 contents of a file and write the result to stdout
Encode from stdin
Decode from stdin
SYNOPSIS
base64 [OPTION]... [FILE]
DESCRIPTION
Base64 encode or decode FILE, or standard input, to standard output.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
- -d, --decode
-
decode data
- -i, --ignore-garbage
-
when decoding, ignore non-alphabet characters
- -w, --wrap=COLS
-
wrap encoded lines after COLS character (default 76). Use 0 to disable line wrapping
- --help
-
display this help and exit
- --version
-
output version information and exit
The data are encoded as described for the base64 alphabet in RFC 4648. When decoding, the input may contain newlines in addition to the bytes of the formal base64 alphabet. Use --ignore-garbage to attempt to recover from any other non-alphabet bytes in the encoded stream.
REPORTING BUGS
GNU coreutils online help:
<https://www.gnu.org/software/coreutils/>
Report any translation bugs to
<https://translationproject.org/team/>
COPYRIGHT
Copyright © 2023 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There
is NO WARRANTY, to the extent permitted by law.
SEE ALSO
basenc(1) Full documentation <https://www.gnu.org/software/coreutils/base64> or available locally via: info '(coreutils) base64 invocation'
AUTHOR
Written by Simon Josefsson.