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Description

Encodes a byte array argument into a string using Base64 encoding scheme.

Syntax

Base64EncodeToString(bytearray_expression[, chunked])

Arguments

bytearray_expression - an expression that represents a bytearray value to be encoded chunked (optional) - if true, the output will be chunked into 76 characters blocks (boolean, default false).

Examples

Base64EncodeToString(GetBytes('hello world')) returns ‘aGVsbG8gd29ybGQ=’. Base64EncodeToString(GetBytes('username:password')) returns ‘dXNlcm5hbWU6cGFzc3dvcmQ=’.

Return value datatype

String

Impact of null value

If input is null, returns null.
Last modified on April 20, 2026