DuoCards is a free Chrome extension that allows you to easily translate and save words while browsing the web. With DuoCards, you can select any text in your browser or right-click on an unknown word to instantly translate it and save it into your DuoCards deck.

The extension also offers a convenient alternative method. By clicking on the Mammoth icon in the top right corner of your browser, you can translate and save any phrase you need. This feature is particularly useful for learning new languages or expanding your vocabulary.

However, before you can start using this extension, make sure you have DuoCards installed on your phone and have completed the registration process. This will enable you to access the words and phrases you've saved while browsing on your phone, making it easier to review and learn on the go.

DuoCards is a handy tool for language learners and anyone who wants to expand their vocabulary while browsing the web. With its easy-to-use interface and seamless integration with the DuoCards app on your phone, it's a convenient way to learn and retain new words.