🎥 YouTube Chatbot with Streamlit + Gemini Embeddings

This project is a Streamlit-based chatbot that lets you ask questions about any YouTube video.
It uses:

• YouTube Transcript API to fetch captions
• Gemini (models/embedding-001) for free embeddings
• FAISS for vector search
• LangChain + Gemini LLM for conversational responses

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🚀 Features

• Extracts YouTube video transcripts automatically
• Splits transcripts into chunks for retrieval
• Uses Gemini embeddings (free tier available)
• Answers questions based only on the transcript content
• Simple Streamlit interface
• Deployable on Render for free hosting

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🛠️ Installation (Local)

1. Clone this repo:

   git clone https://github.com/your-username/youtube-chatbot.git
   cd youtube-chatbot
   

2. (Optional but recommended) Create a virtual environment & activate it:

   python -m venv venv
   source venv/bin/activate   # macOS/Linux
   venv\Scripts\activate      # Windows

3. Install dependencies:

   pip install -r requirements.txt

4. Set up your environment variables: Create a .env file in the root directory and add:

   GOOGLE_API_KEY=your_gemini_api_key

5. Run the Streamlit app:

   streamlit run app.py