UTubeBuddy

UTubeBuddy is a powerful Chrome extension and backend API service that lets you ask questions about YouTube videos using transcript-based Retrieval-Augmented Generation (RAG). The system extracts video transcripts and intelligently answers your questions, leveraging advanced language models.

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🚀 Features

Chrome Extension:

• Minimal, elegant UI for asking questions about YouTube videos.
• Supports dark/light themes for better accessibility.
• Direct integration with backend API to provide real-time answers.

FastAPI Backend:

• Retrieves video transcripts from YouTube using youtube-transcript-api.
• Processes and answers questions using a RAG pipeline powered by LangChain and Hugging Face models.
• Robust error handling and structured JSON responses.

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🛠️ Setup and Running

⚙️ Backend Setup

1. Clone the repository:

   git clone https://github.com/sumitnjmsingh/UTubeBuddy.git
   cd UTubeBuddy

2. Create and activate virtual environment:

   python -m venv backend/venv
   source backend/venv/bin/activate  # On Windows: backend\venv\Scripts\activate

3. Install dependencies::

   pip install -r backend/requirements.txt

4. Run the backend::

   python backend/app.py

🪄 Chrome Extension Setup

1. Open Chrome Extensions page:

   chrome://extensions/

2. Enable Developer Mode (top-right)

3. Load unpacked extension:

   click "Load unpacked" and select the chrome-extension folder.

4. Use the Extension:

   Go to any YouTube video page. Open the extension, enter your question, and click “Ask”. The extension sends the video ID and question to the backend and displays the answer!