# What is TAGiT?

You forget 90% of what you watch within a week. TAGiT helps you remember.

TAGiT is a **Chrome extension and web app** that transforms YouTube videos into lasting knowledge. With two powerful capture methods—**Active Tagging** for intentional moments and **Daily Digest** for automatic summaries—TAGiT ensures you never lose another insight, no matter how or where you watch.

Whether you're a student, researcher, professional, or lifelong learner, TAGiT helps you build your personal YouTube knowledge library.

## Two Ways to Capture Knowledge

### Active Tagging
Tag important moments with one click while watching. Press Alt+T (Windows/Linux) or Opt+T (Mac) to capture any moment, get instant AI summaries, and auto-generated flashcards.

### Daily Digest
Watch videos on any device—TV, phone, tablet, computer—and receive AI-powered email summaries automatically. No tagging required. TAGiT analyzes your YouTube watch history and delivers personalized insights at your scheduled time.

## How It Works

### Active Tagging Flow
1. **Watch YouTube** - Browse videos as you normally would
2. **Click When It Clicks** - Press Alt+T the moment something important resonates
3. **AI Generates Summaries** - Instant transcript extraction and AI-powered insights
4. **Remember Forever** - Review with AI-generated flashcards using spaced repetition

### Daily Digest Flow
1. **Watch Anywhere** - TV, phone, tablet, or computer
2. **TAGiT Tracks Automatically** - Extension monitors your YouTube watch history
3. **AI Processes Overnight** - Smart filtering excludes music, sports, gaming, entertainment
4. **Email Arrives** - Personalized digest with summaries, insights, and flashcards at your chosen time

## Key Features

- **Active Tagging** — One-click capture with AI summaries during playback
- **Daily Digest** — Automatic email summaries from videos watched on any device
- **Smart Filtering** — Daily Digest excludes Music, Sports, Gaming, Entertainment, and Shorts
- **Cross-Device Intelligence** — Watch on TV, get insights in your inbox
- **AI-Powered Summaries** — Context-aware key insights automatically generated
- **Smart Flashcards** — Spaced repetition and active recall from both tags and digests
- **Chat with Videos** — Discuss any video from your digest with AI
- **Powerful Search** — Find any moment across all your tagged videos
- **Cross-Device Sync** — Access your knowledge library anywhere
- **Export to PDF & Markdown** — Take your knowledge wherever you need it

## Perfect For

### Students
Taking notes from online lectures, educational content, and course videos—whether actively tagging or receiving daily summaries.

### Researchers
Capturing insights from interviews, talks, and documentaries with precision timing or automatic tracking.

### Professionals
Building knowledge bases from training videos and webinars watched across devices.

### Lifelong Learners
Retaining knowledge from podcasts and educational channels without changing how you watch.

## Privacy & Security

TAGiT takes your privacy seriously:

- Your tags and notes are private by default
- All data encrypted at rest and in transit
- No selling of user data
- GDPR compliant
- YouTube watch history only accessed with your permission

[Read our full Privacy Policy](https://tagit.video/privacy)

## Technology

Built with modern, reliable technology:

- **Frontend:** React + TypeScript
- **Backend:** Next.js + Supabase
- **AI:** OpenAI GPT-4o mini (optimized for speed and cost)
- **Storage:** PostgreSQL with Row Level Security
- **Hosting:** Netlify + Supabase Cloud

## Our Mission

TAGiT was created to solve a fundamental problem: you forget 90% of what you watch within a week. By combining AI assistance with proven memory science, TAGiT helps you transform passive video watching into lasting knowledge—whether you're actively engaged or just watching casually.

Developed by [Adam VisuAl+](https://linkedin.com/in/adampetritsis), TAGiT is designed for anyone who learns from video content and wants to remember what they watch.

## Official Documentation

For technical documentation and developer resources, visit our official GitHub repository:

[github.com/adampao/tagit-video](https://github.com/adampao/tagit-video)

## Ready to Transform Your Knowledge Retention?

Start building your YouTube knowledge library today.

[Install Chrome Extension](https://chromewebstore.google.com/detail/tagit-video-bookmarking-a/bdicikdkiobadnneahpfpgmbgchppnfn) | [Try Dashboard](https://app.tagit.video)