EQ for YouTube (Chrome Extension)

A sophisticated Chrome extension providing advanced 6-band parametric equalization for YouTube with cutting-edge user experience features.

Features

• Advanced 6-band Parametric EQ: Complete control with adjustable frequency, gain, and Q factor for each band
• Real-time Audio Visualization: Live frequency response curve and spectrum analyzer
• Custom Presets: Save and load your personalized equalizer settings
• Channel-specific Settings: Automatically remembers settings for each YouTube channel
• Dark/Light Theme: Elegant interface that adapts to your preference
• User-friendly Interface: Intuitive controls designed for ease of use

Installation

1. Download the Extension:

   • Visit our website and click the Download button
   • Alternatively, download directly from this repository

2. Install in Chrome:

   • Unzip the downloaded file
   • Open Chrome and navigate to chrome://extensions/
   • Enable "Developer mode" (toggle in the top-right corner)
   • Click "Load unpacked" and select the unzipped extension folder
   • The extension icon should appear in your browser toolbar

How to Use

1. Access the Equalizer:

   • Go to any YouTube video
   • Click the EQ for YouTube extension icon in your browser toolbar
   • The equalizer interface will appear

2. Adjust the EQ:

   • Use sliders to adjust gain for each frequency band
   • Drag points on the graph for more precise control
   • Adjust frequency and Q factor using mouse wheel or advanced controls
   • Toggle bands on/off with the power buttons

3. Save Your Settings:

   • Your settings are automatically saved for each YouTube channel
   • Create custom presets for different types of content

Technical Details

• Built with JavaScript and Web Audio API
• Uses parametric biquad filters for precise audio control
• Real-time audio visualization with canvas-based spectrum analyzer
• Clear separation of audio processing and UI components

Development

Project Structure

extension/
├── manifest.json     # Extension configuration
├── popup.html        # Main UI template
├── popup.js          # UI logic and controls
├── popup.css         # Styling
├── content.js        # YouTube integration and audio processing
├── background.js     # Background scripts
├── eq-visualizer.js  # Visualization components
├── presets.js        # Preset management
└── utils.js          # Utility functions

Building from Source

1. Clone this repository
2. Make your modifications
3. Load the extension in developer mode as described in the installation section

License

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

Credits

• Developed by Genius Aashish Jha
• Audio processing algorithms inspired by No one

Version History

• 1.2.0: Added 6-band EQ, redesigned user interface, improved visualization
• 1.1.0: Added channel-specific settings and preset management
• 1.0.0: Initial release with 4-band EQ