
Massive library of shared academic notes paired with AI study tools, but less focused on flashcard creation.
Massive library of shared academic notes paired with AI study tools, but less focused on flashcard creation.
Knowt records 4,183,953 monthly visits with +5.4% month-over-month growth and Free pricing. SummarAI records 0 monthly visits with — growth and Freemium pricing.

Highlight text on any page and get an instant AI summary in the length you want
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | knowt.com | chromewebstore.google.com |
| Pricing Model | Free | Freemium |
| Monthly Visits | 4.18M (4,183,953) | 0 (0) |
| MoM Traffic Delta | +214.76K (+5.4%) | 0 (—) |
| Primary Market & Share | 🇺🇸 United States (69.6%) | 🌐 Global (—) |
| Direct Visits / mo | 2.74M | 0 |
| User Rating | 4.3 | 3.3 |
| Supported Platforms | Website | Browser Extension |
Free AI flashcard and study tools for students
Upload up to 30 files and Kai instantly produces notes, flashcards, summaries, and practice resources from them.
Convert Quizlet, Kahoot, Wayground, and YouTube content, or record live lectures to generate notes and study sets.
Upload class files to get a study plan and exam prediction that highlights what your professor emphasizes most.
Kai quizzes you by voice and can turn any note or flashcard into a podcast for study on the go.

Highlight text on any page and get an instant AI summary in the length you want
Select any passage on a page, click the SummarAI icon, and receive a concise AI summary without copying the text elsewhere.
Choose a single sentence, a two-to-four-sentence paragraph, or a bulleted list, depending on how much detail you need.
Pick from different AI models so you can match the model to the type of text you are summarizing.
Send a finished summary straight to your clipboard, or regenerate it when the first result is not what you wanted.

Massive library of shared academic notes paired with AI study tools, but less focused on flashcard creation.
Massive library of shared academic notes paired with AI study tools, but less focused on flashcard creation.
Gamified AI study application converting notes into flashcards and quizzes, but with a more playful interface.
Gamified AI study application converting notes into flashcards and quizzes, but with a more playful interface.
SpecialistComprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.
SpecialistComprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.

Interactive AI learning platform turning course materials into flashcards and quizzes, but with more video explanations.
Interactive AI learning platform turning course materials into flashcards and quizzes, but with more video explanations.
One-click AI assistant for browsing, writing and research
One-click AI assistant for browsing, writing and research
Converts notes and PDFs into interactive flashcards and audio podcasts, but less established brand presence.
Converts notes and PDFs into interactive flashcards and audio podcasts, but less established brand presence.
Highlight the web, learn in public, and build your AI clone
Highlight the web, learn in public, and build your AI clone
University learning platform combining shared notes with AI flashcard generation, but heavier community focus.
University learning platform combining shared notes with AI flashcard generation, but heavier community focus.

Personalized AI study assistant creating flashcards and mind maps from lecture recordings, but smaller user community.
Personalized AI study assistant creating flashcards and mind maps from lecture recordings, but smaller user community.

AI learning assistant converting lectures and documents into study guides and flashcards, but less free-tier friendly.
AI learning assistant converting lectures and documents into study guides and flashcards, but less free-tier friendly.
AI study platform transforming notes and videos into quizzes and summaries, but with fewer collaborative features.
AI study platform transforming notes and videos into quizzes and summaries, but with fewer collaborative features.
Free AI Summarizer for text, articles, URLs and images
Free AI Summarizer for text, articles, URLs and images