# base64(n) 2.2.1 base64 "base64 en- & decoding"

## NAME

base64 - Procedures to encode and decode base64

## SYNOPSIS

package require Tcl 8
package require base64 ?2.2.1?

::base64::encode ?-maxlen Imaxlen? ?-wrapchar wrapchar? string
::base64::decode string

## DESCRIPTION

This package provides procedures to encode binary data into base64 and back.

::base64::encode ?-maxlen Imaxlen? ?-wrapchar wrapchar? string
  Base64 encodes the given binary string and returns the encoded result. Inserts the character wrapchar every maxlen characters of output. wrapchar defaults to newline. maxlen defaults to 60.
::base64::decode string
  Base64 decodes the given string and returns the binary data. The decoder ignores whitespace in the string.

## KEYWORDS

encoding, base64