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Popular tool to chat with PDFs and other documents, giving summaries and cited answers, with a free daily tier and no-signup start.
AI creation studio that gathers scattered notes and ideas, then helps shape them into articles, slides, videos, or webpages.
An AI-powered learning platform that turns sources into concept maps, flashcards, quizzes and summaries with multi-model chat.
AI-moderated research platform for deep customer insights.
AI podcast editor that removes filler words, silences, mouth sounds and noise, plus transcription and summaries.
No public pricing
No public pricing
No public pricing
Free trial available
- ✦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
- ✦Central capture space for saved articles, videos, and notes
- ✦AI prompts that surface connections and gaps in collected ideas
- ✦Generates articles, slide decks, videos, and webpages from source material
- ✦Prebuilt style templates for slides and pages
- ✦Available as desktop app, browser extension, and mobile app
- ✦Skill and prompt library for specific creation tasks
- ✦Concept map builder
- ✦Flashcards with spaced repetition
- ✦AI quiz and summary generation
- ✦Import from PDFs, YouTube, websites, PubMed and arXiv
- ✦Multi-model AI chat (GPT, Claude, Gemini, Qwen)
- ✦Cross-format conversion and sharing
- ✦AI-moderated interviews
- ✦AI synthesis and highlight reels
- ✦Customizable AI interviewer persona
- ✦Multimodal research (video, voice, text)
- ✦Flexible participant recruitment
- ✦Advanced unmoderated testing
- ✦Filler-word and stutter removal
- ✦Background noise and mouth-sound removal
- ✦Dead-air/silence trimming
- ✦Studio-sound audio enhancement
- ✦Transcription, summaries and show notes
- ✦API and multitrack editing
- →Understand research papers
- →Study and homework help
- →Review contracts and reports
- →Translate and summarize documents
- →Creators consolidating research into finished blog posts or scripts
- →Professionals turning meeting notes into structured reports
- →Teachers converting lesson ideas into slides and video lessons
- →Product managers organizing scattered feedback into insights
- →Visualizing and studying complex topics
- →Turning research sources into study materials
- →Literature review and dissertation prep
- →Market strategy
- →Segmentation & Personas
- →Brand Research
- →Innovation & Concept Testing
- →User Experience & Usability
- →Creative Testing
- →Automate podcast post-production
- →Clean interview and voiceover audio
- →Generate transcripts and show notes
- →Edit audio/video at scale via API