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layout: "language"
page_title: "textdecodebase64 - Functions - Configuration Language"
sidebar_current: "docs-funcs-encoding-textdecodebase64"
description: |-
The textdecodebase64 function decodes a string that was previously Base64-encoded,
and then interprets the result as characters in a specified character encoding.
textdecodebase64 Function
-> Note: This function is supported only in Terraform v0.14 and later.
textdecodebase64 function decodes a string that was previously Base64-encoded,
and then interprets the result as characters in a specified character encoding.
Terraform uses the "standard" Base64 alphabet as defined in RFC 4648 section 4.
The encoding_name argument must contain one of the encoding names or aliases
recorded in
the IANA character encoding registry.
Terraform supports only a subset of the registered encodings, and the encoding
support may vary between Terraform versions.
Terraform accepts the encoding name UTF-8, which will produce the same result
as base64decode.
Examples
> textdecodebase64("SABlAGwAbABvACAAVwBvAHIAbABkAA==", "UTF-16LE")
Hello World
Related Functions
textencodebase64performs the opposite operation, applying target encoding and then Base64 to a string.base64decodeis effectively a shorthand fortextdecodebase64where the character encoding is fixed asUTF-8.