I have tried many ad-ons to translate. Some of them even frozen my pc completely. Simple translate could not be better. Its by far the the best to translate and one of the best ad-ons around.

Addon dịch trên Firefox tốt nhất hiện tại

Хорошее, удобное приложение. Спасибо.

Very good ext, but it doesn't work in Firefox Nighly. Why and what should I do to enable it ?

One of the best add-on u can use 'Ctrl+Space' to translate selected text on the page, that's what majority people need while reading some article in different language!

best in-page translator on Firefox

The best of its kind

Real lifesaver, best translator extension for firefox

정말 간단하고 쉬운 사용.

Thanks for your work!

quite a good add-on, i think perhaps this is the one of the best translating add-on in FF.