Converts an ISO-8859-1 string to UTF-8. Handy on when you receive a response from a web API that does not specify the codepage.

ConvertTo-UTF8

# https://stackoverflow.com/a/53034595/5471286
function ConvertTo-UTF8 {
    param(
        [Parameter(ValueFromPipeline)] [string]$ISOString
    )

    return ([Text.Encoding]::UTF8.GetString( `
                [Text.Encoding]::GetEncoding(28591).GetBytes($ISOString)))
}