Upload PDFs, text files, images, or just describe a topic -- and generate a fully narrated, animated explainer video. Pick the AI model, choose how long the video should be, and get chapters, transcripts, and AI chat included.
Stop re-reading dense PDFs. Watch and understand complex topics visually.
Complex topics explained through animated scenes, charts, and illustrations. See the concepts, not just read them.
Combine PDFs, text files, images, or just type a prompt. Perfect for synthesizing multiple chapters, papers, or ideas from scratch.
The player pauses at checkpoints and asks you a question about what you just watched. Toggle it off anytime, or turn any checkpoint into flashcards or a quiz.
All the tools to create, navigate, and share your AI video lectures
Short (1-2 min), Medium (5-7 min), or Long (8-12 min). Or let the AI decide based on your source material.
Generate narration in over 27 languages with natural AI voices. Add custom instructions to guide the lecture style.
Pick Full Lecture, Exam Prep, or Quick Review. Add focus areas like Key Formulas, Common Mistakes, or Step-by-Step Derivations.
Animated scenes with mathematical visualizations, illustrations, and charts bring each topic to life.
Videos are divided into chapters by topic. Jump to any section instantly.
Read along with a complete transcript of the narration. Search and reference any part.
Ask questions about the video content. The AI uses the transcript and source materials to answer.
The player pauses at key moments and asks a question about what you just watched. Built-in active recall, on by default, optional anytime.
Generate flashcards directly from completed video lectures or from any interactive question checkpoint.
Share video lectures via link. Recipients can watch without creating an account.
Create your first AI video lecture from PDFs, text, images, or any topic. Free to start.
Pair this feature with these AI study tools.
Generate slide decks from any topic.
Teaching-style lecture decks.
Record lectures and get clean notes.
Build presentations from a prompt.
Convert PDFs to slide decks.
Companion study guides.