base64_decode_tostring()

Learn how to use a base64_decode_tostring() function to decode a base64 string into a UTF-8 string.

Decodes a base64 string to a UTF-8 string.

Syntax

base64_decode_tostring(base64_string)

Name	Type	Required	Description
base64_string	`string`	✔️	The value to decode from base64 to UTF-8 string.

Returns UTF-8 string decoded from base64 string.

print Quine=base64_decode_tostring("S3VzdG8=")

Output

Quine
Kusto

Trying to decode a base64 string that was generated from invalid UTF-8 encoding returns null:

print Empty=base64_decode_tostring("U3RyaW5n0KHR0tGA0L7Rh9C60LA=")

Output

Empty

To decode base64 strings to an array of long values, see base64_decode_toarray()
To encode strings to base64 string, see base64_encode_tostring()

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