📽️ YouTube Transcript Summarizer Bot 🤖

🚀 Overview

An AI-powered automation workflow that extracts transcripts from YouTube videos shared via Telegram and returns:

• The full transcript as a .txt file.
• A summarized version of the transcript using Google Gemini LLM.

This bot is built with n8n, combining various APIs and automation tools for a smooth and scalable experience.

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⚙️ How It Works

1. Telegram Trigger: The bot listens for YouTube links sent via Telegram.
2. Validation: Verifies the video link and extracts the YouTube video ID.
3. Transcript Extraction: Uses RapidAPI to fetch the transcript from the video.
4. Text File Creation: Saves the transcript as a .txt file and sends it back to the user.
5. Transcript Chunking: Breaks down the transcript into manageable parts.
6. LLM Summarization: Sends chunks to Google Gemini for summarization.
7. Final Output: Combines the results and sends a final summarized transcript to the user.

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🛠 Tools & Technologies

• 🧠 Google Gemini API – for summarizing long video transcripts
• 🔁 n8n – to design and run the automation workflow
• 🤖 Telegram Bot API – to interact with users
• 🌐 RapidAPI (YouTube Transcript API) – for fetching transcripts
• 💻 JavaScript – for logic and data transformation

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📷 Demo

_{Full automation workflow in n8n}

_{Sample Telegram interaction and summarization result}

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📦 Features

• ✅ Fully automated with no manual steps
• 📄 Transcript returned in .txt format
• ✂️ Automatically chunked and summarized with LLM
• 💬 Easy integration via Telegram
• 💡 Scalable and customizable for more AI tasks

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📁 Folder Structure

📁 /YouTube-Transcript-Summarizer-Bot
├── README.md
├── n8n_workflow.json
├── assets/
│   ├── n8n_workflow.png
│   └── telegram_demo.jpg