YouTube to Gemini Auto Flow

Automatically extract transcripts from YouTube videos and seamlessly send them to Google Gemini for summarization, explanation, or analysis.

Features

• 📝 Automatic Transcript Extraction: Grabs the transcript of the currently playing YouTube video.
• 🤖 Gemini Integration: Automatically opens Google Gemini and passes the transcript to it for analysis.
• ⚡ Built with Bun: Fast bundling and script execution.

Prerequisites

• Bun is required to build the project.
• A modern web browser that supports Manifest V3 extensions (Google Chrome, Mozilla Firefox, Microsoft Edge, etc.).

Development & Build

1. Clone or download this repository.
2. Install dependencies:

   bun install

3. Build the extension bundle (this packages youtube.js and dependencies into youtube.bundle.js):

   bun run build

Installation

Google Chrome / Brave / Edge

1. Open your browser and navigate to the Extensions page (chrome://extensions/ or edge://extensions/).
2. Enable Developer mode (usually a toggle in the top right corner).
3. Click on Load unpacked.
4. Select the directory containing this project.

Mozilla Firefox

1. Open Firefox and navigate to about:debugging#/runtime/this-firefox.
2. Click on Load Temporary Add-on...
3. Select the manifest.json file from this project directory.
4. Note: The extension ID is already configured for Firefox compatibility in the manifest.json under browser_specific_settings.gecko.

Project Structure

• manifest.json - Configuration and permissions for the extension.
• background.js - Background service worker handling message queues and tab management between YouTube and Gemini.
• youtube.js - Source content script for YouTube to extract transcripts.
• youtube.bundle.js - Bundled output of youtube.js (do not edit directly).
• gemini.js - Content script for Gemini to receive the transcript and populate the prompt.
• package.json - Project metadata and build scripts.

License

This project is open-source. Feel free to fork and modify as needed.