Description
Decodes a Base64 string into a string with specified encoding.
Syntax
Base64DecodeToString(string[, charset_expression])
Arguments
string - string_expression
charset_expression - string_expression indicating the encoding. The default is UTF-8. See the list of available character sets in https://docs.oracle.com/javase/7/docs/api/java/nio/charset/Charset.html.
Examples
Base64DecodeToString('aGVsbG8gd29ybGQ=','UTF-8') returns ‘hello world’
Notes
If the input expression is not a valid Base64 string, it will be ignored and an empty string will be returned.
Return value datatype
String
Impact of null value
If input is null, returns null.Last modified on October 5, 2026
