---
title: Research Assistant for YouTube
description: "Layer personalized context over any video using the Deja Vu YouTube assistant."
---


Enhance your YouTube experience with Deja Vu's YouTube Assistant, a Chrome extension that brings AI-powered chat directly to your YouTube videos. Get instant, personalized answers about video content while leveraging your own knowledge and memories, all without leaving the page.

## Features

- **Contextual AI Chat**: Ask questions about videos you're watching
- **Seamless Integration**: Chat interface sits alongside YouTube's native UI
- **Memory Integration**: Personalized responses based on your knowledge through Deja Vu
- **Real-Time Memory**: Memories are updated in real-time based on your interactions

## Demo Video

<video
  autoPlay
  muted
  loop
  playsInline
  width="700"
  height="400"
  src="https://github.com/user-attachments/assets/c0334ccd-311b-4dd7-8034-ef88204fc751"
></video>

## Installation

This extension is not available on the Chrome Web Store yet. You can install it manually using below method:

### Manual Installation (Developer Mode)

1. **Download the Extension**: Clone or download the extension files from the [Deja Vu GitHub repository](https://github.com/dejavu-memory/dejavu/tree/main/examples)
2. **Build**: Run `npm install` followed by `npm run build` to install the dependencies and build the extension
3. **Access Chrome Extensions**: Open Google Chrome and navigate to `chrome://extensions`
4. **Enable Developer Mode**: Toggle the "Developer mode" switch in the top right corner
5. **Load Unpacked Extension**: Click "Load unpacked" and select the directory containing the extension files
6. **Confirm Installation**: The Deja Vu YouTube Assistant Extension should now appear in your Chrome toolbar

## Setup

1. **Configure API Settings**: Click the extension icon and enter your OpenAI API key (required to use the extension)
2. **Customize Settings**: Configure additional settings such as model, temperature, and memory settings
3. **Navigate to YouTube**: Start using the assistant on any YouTube video
4. **Memories**: Enter your Deja Vu API key to enable personalized responses, and feed initial memories from settings

## Example Prompts

- "Can you summarize the main points of this video?"
- "Explain the concept they just mentioned"
- "How does this relate to what I already know?"
- "What are some practical applications of this topic related to my work?"

## Privacy and Data Security

Your API keys are stored locally in your browser. Your messages are sent to the Deja Vu API for extracting and retrieving memories. Deja Vu is committed to ensuring your data's privacy and security.

---

<CardGroup cols={2}>
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    Categorize video insights to build a searchable research knowledge base.
  </Card>
  <Card title="Deep Research with Deja Vu" icon="magnifying-glass" href="/cookbooks/operations/deep-research">
    Combine memory with search tools to conduct comprehensive research projects.
  </Card>
</CardGroup>
