
Share and access study materials worldwide — with AI study tools built in
Share and access study materials worldwide — with AI study tools built in
Knowt records 4,183,953 monthly visits with +5.4% month-over-month growth and Free pricing. StudyMateAI records 0 monthly visits with — growth and Free pricing.

A free ChatGPT-powered study companion that lives in your browser and PDFs
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | knowt.com | chromewebstore.google.com |
| Pricing Model | Free | Free |
| 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 | 1.8 |
| 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.

A free ChatGPT-powered study companion that lives in your browser and PDFs
Point the extension at a long article, lecture note, or PDF page and get a condensed version that keeps the argument intact rather than stripping it to bullet fragments.
Convert a passage into study cards you can use for active recall, which saves the manual step of rewriting notes before you can start memorizing.
Ask a direct question about what you are reading and receive a natural-language answer in the extension, without opening a separate AI chat tab.
Highlight a term or concept you are stuck on and get an immediate explanation in context, so you keep your reading rhythm instead of breaking off to search.

Share and access study materials worldwide — with AI study tools built in
Share and access study materials worldwide — with AI study tools built in
AI flashcards that turn note dumps and PDFs into addictive quiz sessions
AI flashcards that turn note dumps and PDFs into addictive quiz sessions
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.
AI sidebar and browser agent for reading, writing and research
AI sidebar and browser agent for reading, writing and research

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 AI assistant that plugs ChatGPT, Claude and Gemini into every tab
One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
Chat with any PDF, video, or website and get cited answers in seconds
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
Europe's student learning hub with notes, AI flashcards and AI chat
Europe's student learning hub with notes, AI flashcards and AI chat

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.

Turn any lecture, PDF, or video into notes, flashcards, and quizzes in minutes
Turn any lecture, PDF, or video into notes, flashcards, and quizzes in minutes