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Chat-with-documents tool that summarizes and answers questions across PDFs, Office files, websites and YouTube; free tier plus plans.
Free AI summarizer that condenses YouTube videos, web articles, arXiv papers, and Reddit threads into key-point summaries.
Popular tool to chat with PDFs and other documents, giving summaries and cited answers, with a free daily tier and no-signup start.
Browser extension that adds a PDF viewer/chat sidebar to ChatGPT, Claude, and DeepSeek for reading and querying documents.
No public pricing
No public pricing
No public pricing
- ✦Chat with PDFs and Office documents
- ✦Website, sitemap and YouTube ingestion
- ✦Automated summaries and Q&A
- ✦Reference and quote extraction
- ✦Multi-document conversations
- ✦Chat history and workspaces
- ✦YouTube video summarization with key-point extraction
- ✦Web article and arXiv paper summarization
- ✦Reddit thread summarization
- ✦Flashcard generation from summarized content
- ✦Shareable summary formats
- ✦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
- ✦Split-screen PDF viewer alongside AI chat
- ✦Zoom and text-copy tools for PDFs
- ✦Upload history tracking
- ✦Capture-and-ask screenshot querying (paid)
- ✦Custom prompt support (paid)
- ✦AI-Generated Notes
- ✦Summarize YouTube videos with AI
- ✦Podcast to notes AI
- ✦Meeting notes AI generator
- ✦Summarize PDFs with AI
- ✦Quizzes & Flashcards Generation
- ✦Mind Maps Generation
- ✦AI Chat with Notes
- ✦Custom Note Styles
- →Research and literature review
- →Legal document analysis
- →Document summarization and Q&A
- →Project knowledge lookup
- →Students condensing long lecture videos into study notes
- →Researchers quickly reviewing arXiv papers
- →Professionals skimming long YouTube tutorials for key points
- →Content teams summarizing Reddit discussions for trend research
- →Understand research papers
- →Study and homework help
- →Review contracts and reports
- →Translate and summarize documents
- →Researchers reading and querying PDFs via AI
- →Students studying documents with AI help
- →Professionals reviewing reports using ChatGPT/Claude/DeepSeek
- →Summarizing YouTube videos for quick insights
- →Converting lectures and meetings into structured notes
- →Creating flashcards and quizzes from study materials
- →Generating mind maps for complex topics
- →Summarizing research papers efficiently