Multilingual Google Web Page Language Translator

This module helps you implement Google translation for your webpage. It has configuration settings where you can choose the languages you want to show in dropdown on frontend. You just have to install it, after that you will see a Google Translation Block in your Blocks section. You can place this Block in any region within your webpage. It gives you a Select Box containing multiple languages, the default language is English, once you change the language from the dropdown, your webpage content language will also get changed.

Place this Block in your Header region, for sitewide functionality, so that it appears on every page and accessible to every user.