Newsletter Generator Chrome Extension

AI-powered Chrome extension for capturing and summarizing web content for internal newsletters.

Features

• Smart Content Capture: Select text on any webpage and press Ctrl+Shift+N to capture
• AI Summarization: Automatically generates concise, newsletter-ready summaries using OpenAI GPT-4
• Intelligent Categorization: Categorizes content or suggests new categories
• Notion Integration: Saves summaries directly to your Notion database
• Team Collaboration: Shared category taxonomy and centralized content collection

Setup Instructions

1. Install the Extension

1. Clone this repository or download the source code
2. Open Chrome and navigate to chrome://extensions/
3. Enable "Developer mode" in the top right
4. Click "Load unpacked" and select the extension directory

2. Configure API Keys

1. Click the extension icon and select "Options" or right-click the extension icon → "Options"
2. Configure the following:

OpenAI API Key

• Get your API key from OpenAI Platform
• Paste it in the "OpenAI API Key" field

Notion Integration

• Create a new integration at Notion Integrations
• Copy the "Internal Integration Token" and paste it in the "Notion Integration Token" field
• Create a new database in Notion with the following properties:
  • Title: Title (required)
  • Category: Select
  • Summary: Rich text
  • Source URL: URL
  • Date Added: Date
  • Contributor: Person (optional)
• Share the database with your integration
• Copy the database ID from the URL and paste it in the "Database ID" field

3. Set Up Categories

The extension comes with default categories:

• Employee Milestones
• Customer Wins
• Product Announcements
• Company News
• Industry Updates
• Team Updates

You can add, remove, or modify categories in the Options page.

Usage

1. Select Content: Highlight text on any webpage that you want to include in your newsletter
2. Capture: Press Ctrl+Shift+N (or Cmd+Shift+N on Mac)
3. Review: The extension popup will show:
   • Original selected text
   • AI-generated summary
   • Suggested category
4. Edit: Modify the summary or category as needed
5. Save: Click "Save to Newsletter" to add it to your Notion database

How It Works

1. Content Selection: User selects relevant text on any webpage
2. AI Processing: OpenAI GPT-4 analyzes the content and generates a concise summary
3. Categorization: AI suggests the most appropriate category or proposes a new one
4. Review Interface: User can edit the summary and category before saving
5. Notion Storage: Content is saved to a structured Notion database for newsletter compilation

Privacy & Security

• API keys are stored locally in Chrome's secure storage
• Content is only processed when explicitly triggered by the user
• No data is stored on external servers (except OpenAI for processing and Notion for storage)
• All communication uses HTTPS

Development

File Structure

newsletter-generator/
├── manifest.json          # Extension configuration
├── background.js          # Service worker for API calls
├── content.js            # Content script for text selection
├── popup.html/js         # Review interface
├── options.html/js       # Settings page
└── icons/               # Extension icons

Key Technologies

• Chrome Extension Manifest V3
• OpenAI GPT-4 API
• Notion API
• Chrome Storage API
• Chrome Scripting API

Troubleshooting

Extension Not Working

• Ensure all API keys are correctly configured in Options
• Check that the Notion database is shared with your integration
• Verify the database ID is correct (32-character string from Notion URL)

AI Processing Fails

• Check your OpenAI API key and account credits
• Ensure selected text is substantial (more than 10 characters)
• Try refreshing the page and selecting text again

Notion Saving Fails

• Verify Notion integration token and database ID
• Ensure the database has the required properties
• Check that the integration has write access to the database

Contributing

This extension is designed for internal use but can be extended for other use cases:

1. Additional AI Providers: Add support for other AI APIs
2. More Storage Options: Integrate with Google Docs, Airtable, etc.
3. Advanced Categorization: Machine learning-based category suggestions
4. Team Features: User attribution, approval workflows

License

Private use only. Not for redistribution.