Convert-Base64 PowerShell function

gistfile1.txt

Function Convert-Base64 {
    param([string]$instring)

    # Convert string to byte array
    $bytes = [System.Text.Encoding]::UTF8.GetBytes($instring)

    # Convert byte array to Base64 string
    $base64String = [System.Convert]::ToBase64String($bytes)

    # Output the Base64 string
    return $base64String
}