| What it does | Turn any YouTube channel into a structured course with AI-powered study tools
| Free AI browser extension for Chrome and Firefox
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| Founded | Not given
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| Based in | IN
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| Pricing model | Freemium
| Free
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| Pricing | Free: 3 courses per week, 1,000 videos each, 2 quizzes/mind maps/flashcards per day, unlimited notes/clips/screenshots/transcripts. CoursifyYT Pro: $18/month (or $40 at launch, 55% off), includes 6 courses per week, 5,000 videos per channel, 10 quizzes/mind maps/flashcards per day, 500 MB synced sto
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| Key features | - AI-powered course organization that groups videos by discipline, module and lesson from beginner to advanced
- Notes pinned to specific video timestamps with tags and linked ideas
- Multiple-choice quizzes built from video content
- Flashcards with spaced repetition across entire courses
- Mind maps showing video content as branching ideas
- Ask feature to get timestamped answers about video content
- Video transcripts with search and export capabilities
- Clips and screenshots with timestamps for saving key moments
- Course syllabus exportable as printable PDF with progress tracking
- Progress tracking and synced notes across devices when signed in
| - Doubleslash shortcut for writing and research anywhere
- AI-powered Gmail research to look up email senders
- Chat with any website to summarize and extract information
- Save links, posts, podcasts and videos to Stash
- MCP integration with AI agents like Claude and ChatGPT
- Works on Chrome and Firefox desktop browsers
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| What makes it different | - Works without an account while keeping notes and progress in your browser locally
- No analytics, advertising or data tracking, with privacy by default
- Unlimited notes, transcripts and study tools on free plan
- Course ordering follows learning progression, not YouTube's recommendation algorithm
| - Free to install and use with no payment required
- Operates directly in your browser without a separate app
- User maintains full control over what is shared and sent
- Integrates with existing AI agents through MCP protocol
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | 31 ● no change since last check |
| Trust Flow (Majestic) | 0 | 0 |
| Citation Flow (Majestic) | 18 | 23 |
| Referring domains (Majestic) | 11 | 23 |