HeaderForge

A browser extension that lets you modify HTTP request headers for specific URL patterns.

🚀 Features

• Complete header management: add, edit, enable/disable, or remove HTTP request headers
• Powerful pattern matching with wildcard URL pattern support
• Support for multiple rules per URL pattern
• User-friendly interface with dark/light mode support
• Real-time header modification without browser restart

📦 Installation

Manual Installation

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

🔧 Usage

1. Click the HeaderForge icon in your browser toolbar
2. Manage header modification rules:
   • Add new rules: Specify URL pattern, select the operation to be performed (set/remove), and add the header name and/or value
   • Edit existing rules: Click the edit icon on any rule to modify its parameters
   • Delete rules: Click the trash icon to remove unwanted rules
   • Enable/disable rules: Toggle the switch for any rule
3. All changes take effect immediately for new requests, but you must refresh web pages to see them applied effectively

🔍 Project Structure

The extension is organized as follows:

• background - Contains the service worker that applies rules in the background
  • service_worker.js - Initializes and applies header modification rules
• icons - Extension icons in various sizes for browser display
• images - Contains SVG logo
• lib - Third-party libraries
  • bootstrap/ - CSS framework for the UI
  • bootstrap-icons/ - Icon set used throughout the interface
• modules - Core business logic
  • rule-import-export.js - Handles importing/exporting of rules
  • rule-manager.js - CRUD operations for header rules
  • ui-helpers.js - UI manipulation functions
• utils - Utility functions
  • dnr-utils.js - Declarative Net Request API helpers
  • favicon-cache.js - Caching system for domain favicons
  • modal-confirmation.js - Bootstrap modal confirmation dialogs
  • toast-notification.js - Toast notification system for user feedback
• popup.js - Main entry point for the extension UI
• popup.html - HTML structure for the extension popup
• popup.css - Styling for the extension popup
• manifest.json - Extension configuration file

📄 License

This project is licensed under the MIT License. See the LICENSE file for details.

🤝 Contributing

Contributions are welcome! Feel free to submit a pull request or open an issue.