
Massive library of shared academic notes paired with AI study tools, but less focused on flashcard creation.
ChatExt - ChatGPT File Uploader records 0 monthly visits with — month-over-month growth and Free pricing. Knowt records 4,183,953 monthly visits with +5.4% growth and Free pricing.
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | chromewebstore.google.com | knowt.com |
| Pricing Model | Free | Free |
| Monthly Visits | 0 (0) | 4.18M (4,183,953) |
| MoM Traffic Delta |
|---|
| 0 (—) |
| +214.76K (+5.4%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (69.6%) |
|---|
| Direct Visits / mo | 0 | 2.74M |
|---|
| User Rating | 4.1 | 4.3 |
|---|
| Supported Platforms | Browser Extension | Website |
|---|

Add file upload and download buttons to the ChatGPT chat window
Add files straight into the ChatGPT message box instead of pasting their contents by hand.
Attach up to ten files in a single action by clicking or drag-and-drop.
Long documents are split automatically so the attachment fits the conversation without breaking it up.
Dedicated buttons let you save generated code snippets and CSV results directly to your machine.
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.

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.
SpecialistComprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.

Your AI agent for the browser: chat, automate and create from one sidebar

Interactive AI learning platform turning course materials into flashcards and quizzes, but with more video explanations.
Converts notes and PDFs into interactive flashcards and audio podcasts, but less established brand presence.
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.

AI learning assistant converting lectures and documents into study guides and flashcards, but less free-tier friendly.
One privacy-first AI client for GPT, Claude, Gemini and more
AI study platform transforming notes and videos into quizzes and summaries, but with fewer collaborative features.
Organize, search and export your AI chats across ChatGPT, Gemini, Claude and Grok
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.
SpecialistComprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.
Your AI agent for the browser: chat, automate and create from one sidebar
Interactive AI learning platform turning course materials into flashcards and quizzes, but with more video explanations.
Converts notes and PDFs into interactive flashcards and audio podcasts, but less established brand presence.
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.
AI learning assistant converting lectures and documents into study guides and flashcards, but less free-tier friendly.
One privacy-first AI client for GPT, Claude, Gemini and more
AI study platform transforming notes and videos into quizzes and summaries, but with fewer collaborative features.
Organize, search and export your AI chats across ChatGPT, Gemini, Claude and Grok