Google Translator for Firefox - With this addon you can translate any text to your own language with one click or hot-key.
Alexa Translations - Breaking The Language Barrier™
Microsoft Translator - Microsoft Translator is your door to a wider world.
PROMT Translator - PROMT Free Online-Translator.
Lingoes - Lingoes is an easy and intuitive dictionary and text translation software.
DeepL Translator - DeepL Translator is a machine translator that currently supports 42 language combinations.