The foundation — but smarter than any you've used
Flashcards
Rich-media cards with images, LaTeX, audio, and video on both sides. Generate them from any PDF, lecture, or photo of your notes — then study with spaced repetition that resurfaces cards at the scientifically optimal moment.
Free
Not your average flashcards
Cards are full mini-documents, generated from anything, scheduled by science.
Rich media on every card
Text, images, LaTeX, charts, SVGs, audio, and embedded video — both sides.
Generated from anything
PDF, slides, a lecture recording, or a photo of handwritten notes becomes a deck in seconds.
Spaced repetition built in
An SM-2+ engine resurfaces each card at the optimal interval for long-term retention.
Build your first deck free
Paste a prompt, upload a chapter, or import your Quizlet library — your cards are one click away.