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An AI summarizer that turns YouTube, video, audio, PDFs and webpages into notes, transcripts, translations and mind maps.
Turns lecture-slide PDFs into concise cheat sheets; for students who want quick study aids for general-education classes.
AI Chrome extension and dashboard that solves quiz questions in-browser and generates notes, flashcards, and mind maps for students.
AI knowledge base that saves, summarizes and connects articles, videos, podcasts and PDFs into a graph you can chat with.
Popular tool to chat with PDFs and other documents, giving summaries and cited answers, with a free daily tier and no-signup start.
No public pricing
No public pricing
Free trial available
No public pricing
- ✦YouTube summarization and transcripts
- ✦Video and audio summarization
- ✦PDF and webpage summarization
- ✦Mind map generation
- ✦Translation and knowledge extraction
- ✦Export to MP3, MP4 or structured notes
- ✦PDF lecture-slide upload
- ✦AI-generated cheat sheets
- ✦Example output preview
- ✦Free cheat sheets to start
- ✦Browser extension that solves quiz questions via popup or sidebar
- ✦Works across major LMS platforms like Canvas, Blackboard, and Moodle
- ✦AI note taker and lecture note converter
- ✦AI flashcard and mind map generators
- ✦PDF, video, and slide summarizers
- ✦Screenshot or Ctrl+V paste question solving
- ✦One-click saving of articles, videos, podcasts, PDFs
- ✦AI summaries of saved content
- ✦Automatic tagging and knowledge-graph linking
- ✦Chat with your knowledge using GPT, Claude or Gemini
- ✦Spaced-repetition quizzes
- ✦Browser extension, web and mobile apps; API/MCP access
- ✦Chat with PDFs, Word, PowerPoint and text files
- ✦Summaries with cited sources
- ✦Multi-file chats via folders
- ✦Any-language upload and chat
- ✦Extra tools: AI writer, detector, flashcards, slides
- ✦No-signup quick start
- →Summarizing YouTube lectures for study
- →Extracting notes from PDFs and articles
- →Turning long content into mind maps
- →Condensing gen-ed lecture slides for studying
- →Making quick cheat sheets before exams
- →Answering quiz questions live within an LMS platform
- →Turning lecture recordings into structured notes
- →Summarizing long PDFs or videos before an exam
- →Building flashcards and mind maps from course material
- →Building a personal 'second brain'
- →Summarizing long content to save time
- →Chatting with your own saved knowledge
- →Retaining what you read via spaced repetition
- →Understand research papers
- →Study and homework help
- →Review contracts and reports
- →Translate and summarize documents