Translate extension for Opera uses Google Translate service to automatically translate foreign language web pages into English. This extension uses Google Translate to detect language of each page and offers to translate the foreign language pages into English.
How Translate extension for Opera work
Whenever you visit a page, a small snippet of page will be send to Google Translation servers to detect the language and a bar will appear after language detection at top of page,If you click “Translate” button full page text will send to Google Translation server and after that Opera will show translated page to you.
This extension will not work or disabled for secure (https) sites.