function googleTranslateElementInit() { new google.translate.TranslateElement({ pageLanguage: 'en', autoDisplay: 'true', includedLanguages:'hi,en,bn,id,fr', layout: google.translate.TranslateElement.InlineLayout.HORIZONTAL }, 'google_translate_element'); } If you want to add custom language to the Google Translate button, then you can easily change by using includedLanguages.