Quizlet is a free online tool that allows users to create flashcards and study sets. It has various study modes like flashcards, spelling, learn, test, and games. Audio pronunciation is available in many languages. The tool can be accessed on computers or mobile devices via apps. To get started, users create a free account and make flashcard sets with terms and definitions that can be shared or used independently for study. Quizlet provides teachers and students a way to create and share educational flashcards and study online or offline.