this addon clears the competition, even native firefox translation isn't this convenient. it has text selection translation, full in-page translation and clean straight forward UI to control the language!

Great extension but for some reason now when I highlight text it makes a little icon pops up that lets me translate the text but I can't change it in the settings because the setting keeps going back and there isn't a save button to hit.

Phenomenal and only improving as time passes. Just phenomenal app.

EDIT - After uninstalling, then reinstalling the extension, and then restarting Firefox, it appears to be working properly again.

I've adjusted my rating accordingly. Many thanks to the developer. :)

これなしだと英語のサイトを閲覧できないのでとても助かってます

很不错找这个翻译器很长时间

The best alternative for Google chrome like translation. Works like a charm.