Public/Convert-Base64toString.ps1
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<#
.SYNOPSIS Converts a Base64 encoded string to a plain text string. .DESCRIPTION The Convert-Base64toString function takes a Base64 encoded string input and converts it to a plain text string using UTF-8 encoding. .PARAMETER Base64String The Base64 encoded string to be converted to plain text. .EXAMPLE Convert-Base64toString "SGVsbG8gV29ybGQ=" Hello World .EXAMPLE "VGVzdCBTdHJpbmc=" | Convert-Base64toString Test String .INPUTS System.String You can pipe a Base64 encoded string value to Convert-Base64toString. .OUTPUTS System.String Returns the decoded plain text string. .Link https://github.com/TheTaylorLee/AdminToolbox #> function Convert-Base64toString { [CmdletBinding()] param ( [Parameter(Mandatory = $true, ValueFromPipeline = $true)] [string]$Base64String ) process { try { $bytes = [System.Convert]::FromBase64String($Base64String) $decodedText = [System.Text.Encoding]::UTF8.GetString($bytes) Write-Output $decodedText } catch { Write-Error "Failed to decode Base64 string: $_" } } } |