toto.ai — AI Study Platform Turn any document, video, podcast, or article into summaries, mind maps, flashcards, and quizzes — then master it with spaced repetition, mock exams, and an AI tutor. Web, iOS & Android, even offline. Your complete study suiteAI-powered tools working together — from first read to exam day.

AI summaries of any source

AI flashcards with FSRS spaced repetition

AI quizzes and adaptive question banks

Mind maps and knowledge graphs

Worked problems with step-by-step solutions

Glossary and key-term extraction

AI chat and an AI tutor over your own library

Voice chat and teach-back practice

Notes and a practice center

Exam planner and timed mock exams

Play study audio (text to speech)

Global semantic search across everything you have added

Study groups and public sharing

Insights and analytics on your progress

Reads 240+ file formats PDF, Word, PowerPoint, Excel, EPUB, Markdown, plain text, source code, notebooks, spreadsheets, subtitle files, and images with OCR. Videos, podcasts and web articles Paste a link from YouTube, Bilibili, Vimeo, TED, TikTok and other supported video sites, any podcast episode page or MP3, or any web article — toto.ai pulls the transcript and turns it into study material. How it works

Add your content. Documents in 240+ formats, any video or podcast link, web articles, audio — drop it in and we detect the rest.

AI does the work. Summaries, mind maps, flashcards, quizzes, and worked problems in seconds.

Master the topic. One-button smart sessions, timed mock exams, and spaced repetition that schedules every review for you.

Your keys, your data Bring your own AI provider key. It travels with your request and is never stored on our servers. Free to start. easy study platform · built to help you learn faster with AI.