Add the below code to a Rich Text field on any page to convert to the language. This is an easy and quick way to add translation to your Knack application. It's not perfect but can be very helpful.
<p><font size="1" color="red">Translate / Traducir / Tradui</font></p>
<div id="google_translate_element"></div><script type="text/javascript">
function googleTranslateElementInit() {
new google.translate.TranslateElement({pageLanguage: 'en', layout: google.translate.TranslateElement.InlineLayout.SIMPLE}, 'google_translate_element');
}
</script><script type="text/javascript" src="//translate.google.com/translate_a/element.js?cb=googleTranslateElementInit"></script>
</p>