Translater is a subscription-based extension designed for Firefox that significantly enhances web browsing with its robust translation features. Users can easily translate selected text by highlighting it and either clicking a button or using a keyboard shortcut. Supporting over 100 languages, Translater also provides alternative translations, catering to diverse linguistic needs. The built-in dictionary feature offers definitions and examples for individual words or phrases, ensuring users grasp the context and meaning effectively.

In addition to standard translation capabilities, Translater includes one-click reverse translation and a history function, allowing users to revisit previous translations effortlessly. For auditory learners, the extension provides text-to-speech functionality with selectable voices, contingent upon browser support. Users can also customize their experience with light and dark themes. To maximize its features, enabling "Access your data for all websites" is required.