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function sync() {
  return "lyrics";
}
const play = () => {
  console.log('sing');
};
~$singalong --help

SingAlong

Synchronized lyrics for YouTube, beautifully displayed with seamless integration.

~/singalong
const features = ['auto-sync', 'interactive', 'fullscreen'];
Install ExtensionView Features
Screenshot of SingAlong lyrics display

Features

Enhance your YouTube experience with synchronized lyrics and beautiful overlays

Auto-Sync

Lyrics automatically synchronize with video playback for perfect timing

Interactive Seeking

Click on any lyric line to jump directly to that part of the video

Fullscreen Support

Beautiful fullscreen mode with customizable blur background effects

Customizable Themes

Adjust timing, colors, and display modes to match your preferences

Smart Detection

Automatically detects and displays lyrics for supported YouTube videos

Open Source

Free and open source, built with modern web technologies

Screenshots

See SingAlong in action

Lyrics overlay screenshot 1

Main lyrics display with synchronized highlighting and smooth animations

Lyrics overlay screenshot 2

Customizable themes including background effects for enhanced viewing experience

Lyrics overlay screenshot 3

Romanization for korean lyrics enhancing readability

Installation

Get started with SingAlong in just a few simple steps

1

Visit Chrome Web Store

Open your Chrome browser and go to the Chrome Web Store.

Open Chrome Web Store
2

Or Visit GitHub Repository

Check out the source code and contribute to the project on GitHub.

View on GitHub
3

Add to Chrome

Click the "Add to Chrome" button and confirm the installation in the popup.

4

Enjoy!

Visit any YouTube video with lyrics and start singing along!

Documentation

Customize your SingAlong experience

Settings & Customization

  • Adjust delay timing for perfect synchronization
  • Toggle between synced and plain text modes
  • Choose from multiple color themes and styles
  • Customize display position and font size

© 2025 SingAlong — Open source project