Knowt

Transforms notes, lectures, and PDFs into flashcards, quizzes, and study guides instantly. AI study tools trusted by 5 million+ students & teachers. Knowt is also the #1 Free Quizlet alternative with learn mode & other study modes. Knowt provides unlimited access to learn mode, practice tests, and spaced repetition without subscriptions, unlike Quizlet which locks these behind paywalls, while allowing seamless imports of existing Quizlet sets. Users upload or record lectures as audio or video, and the AI processes them to produce summaries, flashcards, quizzes, and games, extracting key points with timestamps for easy reference. It supports PDFs, Word documents, PowerPoints, lecture videos, and audio files, generating study materials tailored to the content across various subjects. With a dedicated AP Hub offering student created notes, realistic practice tests, auto graded FRQs, and a score calculator to predict performance. It delivers reliable step by step solutions for math and science problems from photos, though users may need to re upload for clearer images to avoid minor errors. Free apps are available on iOS and Android, providing full access to features for studying on the go.