Focus Music Player

Focus Music Player is a dynamic browser extension designed to transform your YouTube Music experience by providing an immersive and distraction-free focus mode. Tailored for music enthusiasts who seek a streamlined and visually stunning interface, Focus Music Player enhances YouTube Music with a full-screen immersive mode, synchronized lyrics, real-time audio visualizer, and intuitive playback controls all directly within your browser.

The extension provides a dedicated Focus Mode that you can activate with a single click. When enabled, the focus mode presents a beautifully designed full-screen overlay featuring high-resolution album artwork (1200x1200), dynamic theme colors extracted from the current album cover, synchronized lyrics that highlight in real-time, an audio visualizer that reacts to the music, and complete playback controls including volume, seek, like, and skip functions. The "Up Next" section keeps you informed about which track is coming next.

Focus Music Player operates discreetly behind the scenes, using advanced browser scripting and content injection to enrich your music experience without interfering with your browsing habits or personal data. With just a click of the extension icon, you can open or focus your dedicated YouTube Music window in a clean popup format. The extension intelligently manages window instances, preventing duplicates and ensuring your music session stays accessible throughout your browsing.

Whether you're coding, studying, meditating, or simply enjoying music during downtime, Focus Music Player uses modern browser technologies and Manifest V3 architecture to deliver fast, lightweight, and reliable performance. Minimal setup is required, and the extension enhances YouTube Music natively, without the need for invasive permissions or complicated configurations. By bringing an immersive focus mode with lyrics, visualizations, and enhanced controls directly into your browser, Focus Music Player turns YouTube Music into your dedicated soundtrack hub—a seamless part of your productivity toolkit.

Key Features:
- Immersive Focus Mode: A stunning full-screen overlay with high-resolution album art and dynamic theme colors that adapt to each song.
- Synchronized Lyrics: Real-time lyrics display that highlights the current line and scrolls automatically with the music.
- Audio Visualizer: Dynamic bars that react to the music frequencies in real-time.
- Up Next Preview: See which track is coming next without leaving the focus mode.
- Complete Playback Controls: Play/pause, skip, previous, volume slider, seek bar, and like button all within focus mode.
- Quick Access via Browser Toolbar: Instantly open or bring the YouTube Music window to the front with a single click.
- Persistent Window Management: Remembers your dedicated music window and prioritizes it, preventing multiple duplicates and ensuring quick access.
- Dynamic Color Theming: Automatically extracts the dominant color from album artwork to style the interface.
- Fast and Lightweight Design: Built with Manifest V3 for optimal performance, using minimal system resources.

How It Works:
1. Install Focus Music Player from your browser's extension marketplace.
2. Click the extension icon in the toolbar to open your dedicated YouTube Music player in a popup window.
3. Play any song on YouTube Music as usual.
4. Click the focus button (located at the bottom of the screen) to activate the immersive Focus Mode.
5. In Focus Mode, enjoy high-resolution album art, synchronized lyrics (click the music note icon to toggle), audio visualizer, and full playback controls.
6. Press ESC or click the X button to exit Focus Mode and return to the normal YouTube Music interface.
7. If the music window is minimized or hidden, a single click on the extension icon brings it back to the front without creating duplicates.
8. Your YouTube Music session persists in the background, so playback continues even if you close other tabs.

Privacy:
No personal data collected. Focus Music Player works exclusively on the YouTube Music domain and does not track, store, or transmit any personal information. The only external connection is to lrclib.net to fetch song lyrics using publicly available track and artist names.